views-ui-wrong-todo.patch | Drupal Quality Assurance

# Drupal Quality Assurance

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- Drupal 8.x
- Drupal 7.x
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- Test log

## views-ui-wrong-todo.patch

Test status

Status | Result
Last received | Tue, 08/27/2013 - 21:38:08
Last requested | Tue, 08/27/2013 - 21:39:01
Last tested | Tue, 08/27/2013 - 21:46:35
Test count | 1

Environment status

MySQL | fail

File information

File | views-ui-wrong-todo.patch
Branch | Drupal core - 8.x
Link | Issue Link

Event log
View entire log

ID | Message | Timestamp
--- | --- | ---

ID | Message | Timestamp
--- | --- | ---
7,329,548 | Result retrieved by project client. | 48 sec ago
7,329,538 | Result retrieved by project client. | 3 min 23 sec ago
7,329,533 | Result received from test client #1848. | 3 min 36 sec ago
7,329,488 | Requested by test client #1848. | 11 min 11 sec ago
7,329,453 | Test request received. | 12 min 4 sec ago

Summary FAILED: [[SimpleTest]]: [MySQL] 2,600 pass(es), 785 fail(s), and 57 exception(s).
Details

## MySQL

1. Setup environment
2. Detect an invalid patch URL
3. Detect invalid repository information
4. Detect invalid patch format
5. Detect a non-applicable patch
6. Detect invalid PHP syntax
7. Detect a Drupal installation failure
8. Detect a test run failure
9. Detect a failing test
   Review the test failures below then if necessary run them locally until the problem has been fixed.
10. Complete test suite with all tests passing

2,600 pass(es), 785 fail(s), and 57 exception(s)

### Non-pass

Test name | Pass | Fail | Exception
--- | --- | --- | ---

Test name | Pass | Fail | Exception
--- | --- | --- | ---
Drupal\action\Tests\BulkFormTest | 9 | 46 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The action select field appears. | Browser | BulkFormTest.php | 52 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 0 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 1 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 2 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 3 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 4 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 5 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 6 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 7 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 8 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 9 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[0] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[1] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[2] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[3] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[4] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[5] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[6] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[7] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[8] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[9] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action to node_make_sticky_action | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Found the Apply button | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Found the requested form fields at | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 1 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 2 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 3 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 4 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 5 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 6 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 7 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 8 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 9 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 10 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
"Make content sticky was applied to 10 items." found | Other | BulkFormTest.php | 70 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[0] to 1 | Other | BulkFormTest.php | 77 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action to node_unpublish_action | Other | BulkFormTest.php | 77 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Found the Apply button | Other | BulkFormTest.php | 77 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Found the requested form fields at | Other | BulkFormTest.php | 77 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
"Unpublish content was applied to 1 item." found | Other | BulkFormTest.php | 79 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
A single node has been unpublished. | Other | BulkFormTest.php | 83 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Value 0 is equal to value 2. | Other | BulkFormTest.php | 99 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Option node_make_sticky_action for field edit-action exists. | Browser | BulkFormTest.php | 100 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Option node_make_unsticky_action for field edit-action exists. | Browser | BulkFormTest.php | 101 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Option node_make_sticky_action for field edit-action does not exist. | Browser | BulkFormTest.php | 110 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Option node_make_unsticky_action for field edit-action does not exist. | Browser | BulkFormTest.php | 111 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Drupal\action\Tests\ConfigurationTest | 19 | 34 | 5
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Failed to set field name to n94YcGte | Other | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field pass to 6spYSE3Ay7 | Other | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Log in button | Other | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at user | Other | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
User n94YcGte successfully logged in. | User login | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field action to RlNfIL8R9iZFfGM45liyQlw3nkJlc3vvhbAGQN5bYUc | Other | ConfigurationTest.php | 44 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Create button | Other | ConfigurationTest.php | 44 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at admin/config/system/actions | Other | ConfigurationTest.php | 44 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 45 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field label to jaTka8Qp | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field id to jatka8qp | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field url to admin | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Save button | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at admin/config/system/actions/add/RlNfIL8R9iZFfGM45liyQlw3nkJlc3vvhbAGQN5bYUc | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 54 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure we get a confirmation that we've successfully saved the complex action. | Other | ConfigurationTest.php | 57 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure the action label appears on the configuration page after we've saved the complex action. | Other | ConfigurationTest.php | 58 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Undefined variable: url_target
    Drupal\simpletest\WebTestBase->clickLink('Configure')
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Notice | WebTestBase.php | 2108 | Drupal\simpletest\WebTestBase->clickLink() |
Clicked link Configure () from http://drupaltestbot1848/checkout/admin/config/system/actions/add/RlNfIL8R9iZFfGM45liyQlw3nkJlc3vvhbAGQN5bYUc | Browser | ConfigurationTest.php | 61 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Undefined offset: 1
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Notice | ConfigurationTest.php | 63 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field label to z2TSdvrr | Other | ConfigurationTest.php | 68 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field url to admin | Other | ConfigurationTest.php | 68 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Save button | Other | ConfigurationTest.php | 68 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at | Other | ConfigurationTest.php | 68 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 69 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure we get a confirmation that we've successfully updated the complex action. | Other | ConfigurationTest.php | 72 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure the action label appears on the configuration page after we've updated the complex action. | Other | ConfigurationTest.php | 74 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Undefined variable: url_target
    Drupal\simpletest\WebTestBase->clickLink('Configure')
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Notice | WebTestBase.php | 2108 | Drupal\simpletest\WebTestBase->clickLink() |
Clicked link Configure () from http://drupaltestbot1848/checkout/admin/config/system/actions/add/RlNfIL8R9iZFfGM45liyQlw3nkJlc3vvhbAGQN5bYUc | Browser | ConfigurationTest.php | 76 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure the URL appears when re-editing the action. | Other | ConfigurationTest.php | 78 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Undefined variable: url_target
    Drupal\simpletest\WebTestBase->clickLink('Delete')
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Notice | WebTestBase.php | 2108 | Drupal\simpletest\WebTestBase->clickLink() |
Clicked link Delete () from http://drupaltestbot1848/checkout/admin/config/system/actions | Browser | ConfigurationTest.php | 82 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 83 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Delete button | Other | ConfigurationTest.php | 85 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at admin/config/system/actions/configure//delete | Other | ConfigurationTest.php | 85 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 86 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure that we get a delete confirmation message. | Other | ConfigurationTest.php | 89 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 403 | Browser | ConfigurationTest.php | 91 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Config\Entity\ConfigStorageController->loadMultiple(Array)
    Drupal\Core\Config\Entity\ConfigStorageController->load(NULL)
    entity_load('action', NULL)
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Warning | ConfigStorageController.php | 125 | Drupal\Core\Config\Entity\ConfigStorageController->loadMultiple() |
Drupal\aggregator\Tests\AddFeedTest | 10 | 13 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AddFeedTest.php | 25 | Drupal\aggregator\Tests\AddFeedTest->testAddFeed() |
Failed to set field name to v8bDVXLU | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field pass to sa4XGzkWpb | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Found the Log in button | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Found the requested form fields at user | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
User v8bDVXLU successfully logged in. | User login | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field title to wguG9d6DH6 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field url to http://drupaltestbot1848/checkout/rss.xml?feed=wguG9d6DH6 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field refresh to 900 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the Save button | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the requested form fields at admin/config/services/aggregator/add/feed | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed wguG9d6DH6 has been added. | Other | AggregatorTestBase.php | 58 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed found in database. | Other | AggregatorTestBase.php | 61 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load()
    entity_load('aggregator_feed', )
    aggregator_feed_load()
    Drupal\aggregator\Tests\AggregatorTestBase->createFeed()
    Drupal\aggregator\Tests\AddFeedTest->testAddFeed()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('4', 'Drupal\aggregator\Tests\AddFeedTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Drupal\aggregator\Tests\AggregatorConfigurationTest | 14 | 33 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Failed to set field name to pa3k1rXN | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field pass to GjSeAC3Tjj | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Found the Log in button | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Found the requested form fields at user | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
User pa3k1rXN successfully logged in. | User login | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
"Test fetcher" found | Other | AggregatorConfigurationTest.php | 28 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"Test parser" found | Other | AggregatorConfigurationTest.php | 29 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"Test processor" found | Other | AggregatorConfigurationTest.php | 30 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_allowed_html_tags to <a> | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_summary_items to 10 | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_clear to 3600 | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_category_selector to select | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_teaser_length to 200 | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_fetcher to aggregator_test_fetcher | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_parser to aggregator_test_parser | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_processors[aggregator_test_processor] to aggregator_test_processor | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Found the Save configuration button | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Found the requested form fields at admin/config/services/aggregator/settings | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"The configuration options have been saved." found | Other | AggregatorConfigurationTest.php | 44 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_allowed_html_tags" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_summary_items" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_clear" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_category_selector" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_teaser_length" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_fetcher" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_parser" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_processors[aggregator_test_processor]" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"Dummy length setting" found | Other | AggregatorConfigurationTest.php | 51 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field dummy_length to 100 | Other | AggregatorConfigurationTest.php | 56 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Found the Save configuration button | Other | AggregatorConfigurationTest.php | 56 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Found the requested form fields at admin/config/services/aggregator/settings | Other | AggregatorConfigurationTest.php | 56 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"The configuration options have been saved." found | Other | AggregatorConfigurationTest.php | 57 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"dummy_length" has correct default value. | Browser | AggregatorConfigurationTest.php | 58 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Drupal\aggregator\Tests\AggregatorCronTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AggregatorCronTest.php | 25 | Drupal\aggregator\Tests\AggregatorCronTest->testCron() |
Drupal\aggregator\Tests\AggregatorRenderingTest | 23 | 29 | 6
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AggregatorRenderingTest.php | 37 | Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks() |
User mh8yGhVh successfully logged in. | User login | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field title to fXCz1QBU | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to r1RuhmfK | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to wDUZYrUa | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to pFmlde8V | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to xVYH5IZq | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to ghzuVGLH | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to kS7NyBsk | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to naQTbOpv | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to tNlbNBuF | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to ifNhsnid | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to neTzPxVlTb | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field url to http://drupaltestbot1848/checkout/rss.xml?feed=neTzPxVlTb | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field refresh to 900 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the Save button | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the requested form fields at admin/config/services/aggregator/add/feed | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed neTzPxVlTb has been added. | Other | AggregatorTestBase.php | 58 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed found in database. | Other | AggregatorTestBase.php | 61 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load()
    entity_load('aggregator_feed', )
    aggregator_feed_load()
    Drupal\aggregator\Tests\AggregatorTestBase->createFeed()
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Argument 1 passed to Drupal\aggregator\Tests\AggregatorTestBase::updateFeedItems() must be an instance of Drupal\aggregator\Entity\Feed, null given, called in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorRenderingTest.php on line 41 and defined
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Recoverable error | AggregatorTestBase.php | 155 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Trying to get property of non-object
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Notice | AggregatorTestBase.php | 157 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Trying to get property of non-object
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Notice | AggregatorTestBase.php | 157 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Trying to get property of non-object
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Notice | AggregatorTestBase.php | 158 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Trying to get property of non-object
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Notice | AggregatorTestBase.php | 158 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Drupal\aggregator\Tests\CategorizeFeedItemTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CategorizeFeedItemTest.php | 28 | Drupal\aggregator\Tests\CategorizeFeedItemTest->testCategorizeFeedItem() |
Drupal\aggregator\Tests\FeedFetcherPluginTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FeedFetcherPluginTest.php | 36 | Drupal\aggregator\Tests\FeedFetcherPluginTest->testfetch() |
Drupal\aggregator\Tests\FeedParserTest | 10 | 9 | 12
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FeedParserTest.php | 40 | Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample() |
User blwUaSsy successfully logged in. | User login | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field title to d6Fta8TE6i | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field url to http://drupaltestbot1848/checkout/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test_rss091.xml | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field refresh to 900 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the Save button | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the requested form fields at admin/config/services/aggregator/add/feed | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed d6Fta8TE6i has been added. | Other | AggregatorTestBase.php | 58 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed found in database. | Other | AggregatorTestBase.php | 61 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load()
    entity_load('aggregator_feed', )
    aggregator_feed_load()
    Drupal\aggregator\Tests\AggregatorTestBase->createFeed('http://drupaltestbot1848/checkout/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test_rss091.xml')
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Argument 1 passed to aggregator_refresh() must be an instance of Drupal\aggregator\Entity\Feed, null given, called in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/FeedParserTest.php on line 42 and defined
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Recoverable error | aggregator.module | 352 | aggregator_refresh() |
Trying to get property of non-object
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | aggregator.module | 354 | aggregator_refresh() |
Trying to get property of non-object
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | aggregator.module | 354 | aggregator_refresh() |
Argument 1 passed to Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher::fetch() must be an instance of Drupal\aggregator\Entity\Feed, null given, called in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/aggregator.module on line 360 and defined
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Recoverable error | DefaultFetcher.php | 33 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Trying to get property of non-object
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 35 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Trying to get property of non-object
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 35 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Creating default object from empty value
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Run-time notice | DefaultFetcher.php | 36 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Undefined property: stdClass::$etag
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 39 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Trying to get property of non-object
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 39 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Undefined property: stdClass::$modified
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 42 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Trying to get property of non-object
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 42 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Drupal\aggregator\Tests\FeedProcessorPluginTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FeedProcessorPluginTest.php | 39 | Drupal\aggregator\Tests\FeedProcessorPluginTest->testProcess() |
Drupal\aggregator\Tests\RemoveFeedTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | RemoveFeedTest.php | 25 | Drupal\aggregator\Tests\RemoveFeedTest->testRemoveFeed() |
Drupal\block\Tests\BlockAdminThemeTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockAdminThemeTest.php | 35 | Drupal\block\Tests\BlockAdminThemeTest->testAdminTheme() |
Drupal\block\Tests\BlockHiddenRegionTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockHiddenRegionTest.php | 55 | Drupal\block\Tests\BlockHiddenRegionTest->testBlockNotInHiddenRegion() |
Drupal\block\Tests\BlockInterfaceTest | 6 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockInterfaceTest.php | 41 | Drupal\block\Tests\BlockInterfaceTest->testBlockInterface() |
Drupal\block\Tests\BlockRenderOrderTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockRenderOrderTest.php | 44 | Drupal\block\Tests\BlockRenderOrderTest->testBlockRenderOrder() |
Drupal\block\Tests\BlockTemplateSuggestionsUnitTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockTemplateSuggestionsUnitTest.php | 35 | Drupal\block\Tests\BlockTemplateSuggestionsUnitTest->testBlockThemeHookSuggestions() |
Drupal\block\Tests\BlockTitleXSSTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockTitleXSSTest.php | 41 | Drupal\block\Tests\BlockTitleXSSTest->testXSSInTitle() |
Drupal\block\Tests\NewDefaultThemeBlocksTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | NewDefaultThemeBlocksTest.php | 35 | Drupal\block\Tests\NewDefaultThemeBlocksTest->testNewDefaultThemeBlocks() |
Drupal\book\Tests\BookTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BookTest.php | 108 | Drupal\book\Tests\BookTest->testBook() |
Drupal\breakpoint\Tests\BreakpointAPITest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BreakpointAPITest.php | 31 | Drupal\breakpoint\Tests\BreakpointAPITest->testConfigName() |
Drupal\breakpoint\Tests\BreakpointGroupAPITest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BreakpointGroupAPITest.php | 32 | Drupal\breakpoint\Tests\BreakpointGroupAPITest->testConfigName() |
Drupal\breakpoint\Tests\BreakpointThemeTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BreakpointThemeTest.php | 41 | Drupal\breakpoint\Tests\BreakpointThemeTest->testThemeBreakpoints() |
Drupal\ckeditor\Tests\CKEditorPluginManagerTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CKEditorPluginManagerTest.php | 65 | Drupal\ckeditor\Tests\CKEditorPluginManagerTest->testEnabledPlugins() |
Drupal\comment\Tests\CommentActionsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentActionsTest.php | 33 | Drupal\comment\Tests\CommentActionsTest->testCommentPublishUnpublishActions() |
Drupal\comment\Tests\CommentApprovalTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentApprovalTest.php | 25 | Drupal\comment\Tests\CommentApprovalTest->testApprovalAdminInterface() |
Drupal\comment\Tests\CommentContentRebuildTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentContentRebuildTest.php | 25 | Drupal\comment\Tests\CommentContentRebuildTest->testCommentRebuild() |
Drupal\comment\Tests\CommentFieldsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentFieldsTest.php | 33 | Drupal\comment\Tests\CommentFieldsTest->testCommentDefaultFields() |
Drupal\comment\Tests\CommentNodeAccessTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentNodeAccessTest.php | 54 | Drupal\comment\Tests\CommentNodeAccessTest->testThreadedCommentView() |
Drupal\comment\Tests\CommentNodeChangesTest | 12 | 15 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentNodeChangesTest.php | 26 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Failed to set field name to ynqLIhXZ | Other | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Failed to set field pass to VYNvdqTkjq | Other | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Found the Log in button | Other | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Found the requested form fields at user | Other | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
User ynqLIhXZ successfully logged in. | User login | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Preview button found. | Browser | CommentTestBase.php | 125 | Drupal\comment\Tests\CommentTestBase->postComment() |
Save button found. | Browser | CommentTestBase.php | 126 | Drupal\comment\Tests\CommentTestBase->postComment() |
Failed to set field comment_body[und][0][value] to kAZDDcTG | Other | CommentTestBase.php | 127 | Drupal\comment\Tests\CommentTestBase->postComment() |
Failed to set field subject to zKr4Yymb | Other | CommentTestBase.php | 127 | Drupal\comment\Tests\CommentTestBase->postComment() |
Found the Save button | Other | CommentTestBase.php | 127 | Drupal\comment\Tests\CommentTestBase->postComment() |
Found the requested form fields at | Other | CommentTestBase.php | 127 | Drupal\comment\Tests\CommentTestBase->postComment() |
Comment subject posted. | Other | CommentTestBase.php | 143 | Drupal\comment\Tests\CommentTestBase->postComment() |
Comment body posted. | Other | CommentTestBase.php | 145 | Drupal\comment\Tests\CommentTestBase->postComment() |
Comment id found. | Other | CommentTestBase.php | 146 | Drupal\comment\Tests\CommentTestBase->postComment() |
Drupal\comment\Tests\CommentPagerTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentPagerTest.php | 25 | Drupal\comment\Tests\CommentPagerTest->testCommentPaging() |
Drupal\comment\Tests\CommentRssTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentRssTest.php | 33 | Drupal\comment\Tests\CommentRssTest->testCommentRss() |
Drupal\comment\Tests\CommentThreadingTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentThreadingTest.php | 27 | Drupal\comment\Tests\CommentThreadingTest->testCommentThreading() |
Drupal\comment\Tests\CommentUninstallTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentUninstallTest.php | 43 | Drupal\comment\Tests\CommentUninstallTest->testCommentUninstallWithField() |
Drupal\config\Tests\ConfigDiffTest | 12 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigDiffTest.php | 35 | Drupal\config\Tests\ConfigDiffTest->testDiff() |
Drupal\config\Tests\ConfigEntityStorageControllerTest | 3 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigEntityStorageControllerTest.php | 37 | Drupal\config\Tests\ConfigEntityStorageControllerTest->testUUIDConflict() |
Drupal\config\Tests\ConfigFileContentTest | 26 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigFileContentTest.php | 28 | Drupal\config\Tests\ConfigFileContentTest->testReadWriteConfig() |
Drupal\config\Tests\ConfigInstallTest | 14 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigInstallTest.php | 35 | Drupal\config\Tests\ConfigInstallTest->testModuleInstallation() |
Drupal\config\Tests\Storage\DatabaseStorageTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigStorageTestBase.php | 32 | Drupal\config\Tests\Storage\DatabaseStorageTest->testCRUD() |
Drupal\contact\Tests\ContactAuthenticatedUserTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContactAuthenticatedUserTest.php | 35 | Drupal\contact\Tests\ContactAuthenticatedUserTest->testContactSiteWideTextfieldsLoggedInTestCase() |
Drupal\contact\Tests\ContactSitewideTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContactSitewideTest.php | 36 | Drupal\contact\Tests\ContactSitewideTest->testSiteWideContact() |
Drupal\contact\Tests\MessageEntityTest | 2 | 1 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MessageEntityTest.php | 42 | Drupal\contact\Tests\MessageEntityTest->testMessageMethods() |
PDOException: SQLSTATE[08004] [1040] Too many connections in Symfony\Component\DependencyInjection\ContainerBuilder->createService() (line 959 of /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php).
    PDO->__construct('mysql:host=localhost;port=3306;dbname=drupaltestbotmysql', 'drupaltestbot-my', 'SQ3tdtKfpeKO', Array)
    Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    Drupal\Core\Database\Database::openConnection('default', 'default')
    Drupal\Core\Database\Database::getConnection('default')
    call_user_func_array(Array, Array)
    Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object, 'database')
    Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    Drupal\Core\Entity\DatabaseStorageController::createInstance(Object, 'contact_message', Array)
    Drupal\Core\Entity\EntityManager->getController('contact_message', 'storage')
    Drupal\Core\Entity\EntityManager->getStorageController('contact_message')
    Drupal\contact\Tests\MessageEntityTest->testMessageMethods()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('138', 'Drupal\contact\Tests\MessageEntityTest')
| Uncaught exception | Connection.php | 85 | PDO->__construct() |
Drupal\content_translation\Tests\ContentTranslationSyncImageTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContentTranslationSyncImageTest.php | 84 | Drupal\content_translation\Tests\ContentTranslationSyncImageTest->testImageFieldSync() |
Drupal\content_translation\Tests\ContentTranslationWorkflowsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContentTranslationWorkflowsTest.php | 78 | Drupal\content_translation\Tests\ContentTranslationWorkflowsTest->testWorkflows() |
Drupal\contextual\Tests\ContextualUnitTest | 5 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContextualUnitTest.php | 106 | Drupal\contextual\Tests\ContextualUnitTest->testContextualLinksToId() |
Drupal\custom_block\Tests\CustomBlockFieldTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CustomBlockFieldTest.php | 61 | Drupal\custom_block\Tests\CustomBlockFieldTest->testBlockFields() |
Drupal\custom_block\Tests\CustomBlockLoadHooksTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CustomBlockLoadHooksTest.php | 36 | Drupal\custom_block\Tests\CustomBlockLoadHooksTest->testHookCustomBlockLoad() |
Drupal\custom_block\Tests\CustomBlockRevisionsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CustomBlockRevisionsTest.php | 70 | Drupal\custom_block\Tests\CustomBlockRevisionsTest->testRevisions() |
Drupal\custom_block\Tests\CustomBlockTypeTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CustomBlockTypeTest.php | 46 | Drupal\custom_block\Tests\CustomBlockTypeTest->testCustomBlockTypeCreation() |
Drupal\editor\Tests\EditIntegrationTest | 1 | 1 | 0
Drupal\edit\Tests\EditLoadingTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EditLoadingTest.php | 74 | Drupal\edit\Tests\EditLoadingTest->testUserWithoutPermission() |
Drupal\entity\Tests\EntityDisplayModeTest | 14 | 21 | 3
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
HTTP response expected 403, actual 200 | Browser | EntityDisplayModeTest.php | 38 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Failed to set field name to wZ2aTiB0 | Other | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Failed to set field pass to dd6jjtNumQ | Other | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the Log in button | Other | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the requested form fields at user | Other | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
User wZ2aTiB0 successfully logged in. | User login | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
HTTP response expected 200, actual 500 | Browser | EntityDisplayModeTest.php | 41 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
HTTP response expected 404, actual 500 | Browser | EntityDisplayModeTest.php | 44 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Undefined variable: url_target
    Drupal\simpletest\WebTestBase->clickLink('Test render entity')
    Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('202', 'Drupal\entity\Tests\EntityDisplayModeTest')
| Notice | WebTestBase.php | 2108 | Drupal\simpletest\WebTestBase->clickLink() |
Clicked link Test render entity () from http://drupaltestbot1848/checkout/admin/structure/display-modes/view/add | Browser | EntityDisplayModeTest.php | 50 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Failed to set field id to nocfcbhz | Other | EntityDisplayModeTest.php | 55 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Failed to set field label to QX(jO5VQ | Other | EntityDisplayModeTest.php | 55 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the Save button | Other | EntityDisplayModeTest.php | 55 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the requested form fields at | Other | EntityDisplayModeTest.php | 55 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Raw "Saved the <em class="placeholder">QX(jO5VQ</em> view mode." found | Other | EntityDisplayModeTest.php | 56 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Invalid argument supplied for foreach()
    Drupal\simpletest\WebTestBase->drupalPost(NULL, NULL, 'Delete')
    Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('202', 'Drupal\entity\Tests\EntityDisplayModeTest')
| Warning | WebTestBase.php | 1455 | Drupal\simpletest\WebTestBase->drupalPost() |
Found the Delete button | Other | EntityDisplayModeTest.php | 62 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the requested form fields at | Other | EntityDisplayModeTest.php | 62 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Raw "Are you sure you want to delete the <em class="placeholder">QX(jO5VQ</em> view mode?" found | Other | EntityDisplayModeTest.php | 63 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Invalid argument supplied for foreach()
    Drupal\simpletest\WebTestBase->drupalPost(NULL, NULL, 'Delete')
    Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('202', 'Drupal\entity\Tests\EntityDisplayModeTest')
| Warning | WebTestBase.php | 1455 | Drupal\simpletest\WebTestBase->drupalPost() |
Found the Delete button | Other | EntityDisplayModeTest.php | 64 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the requested form fields at | Other | EntityDisplayModeTest.php | 64 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Raw "Deleted the <em class="placeholder">QX(jO5VQ</em> view mode." found | Other | EntityDisplayModeTest.php | 65 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
The test did not complete due to a fatal error. | Completion check | EntityDisplayModeTest.php | 71 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityFormModeUI() |
Drupal\entity\Tests\EntityDisplayTest | 21 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityDisplayTest.php | 91 | Drupal\entity\Tests\EntityDisplayTest->testEntityGetDisplay() |
Drupal\entity\Tests\EntityFormDisplayTest | 9 | 1 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityFormDisplayTest.php | 55 | Drupal\entity\Tests\EntityFormDisplayTest->testFieldComponent() |
PDOException: SQLSTATE[08004] [1040] Too many connections in db_create_table() (line 597 of /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc).
    PDO->__construct('mysql:host=localhost;port=3306;dbname=drupaltestbotmysql', 'drupaltestbot-my', 'SQ3tdtKfpeKO', Array)
    Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    Drupal\Core\Database\Database::openConnection('default', 'default')
    Drupal\Core\Database\Database::getConnection()
    db_create_table('field_data_test_field', Array)
    field_sql_storage_field_storage_create_field(Object)
    call_user_func_array('field_sql_storage_field_storage_create_field', Array)
    Drupal\Core\Extension\ModuleHandler->invoke('field_sql_storage', 'field_storage_create_field', Array)
    Drupal\field\Entity\Field->saveNew()
    Drupal\field\Entity\Field->save()
    Drupal\entity\Tests\EntityFormDisplayTest->testFieldComponent()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('204', 'Drupal\entity\Tests\EntityFormDisplayTest')
| Uncaught exception | Connection.php | 85 | PDO->__construct() |
Drupal\entity_reference\Tests\EntityReferenceAutoCreateTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityReferenceAutoCreateTest.php | 80 | Drupal\entity_reference\Tests\EntityReferenceAutoCreateTest->testAutoCreate() |
Drupal\entity_reference\Tests\EntityReferenceFieldTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityReferenceFieldTest.php | 100 | Drupal\entity_reference\Tests\EntityReferenceFieldTest->testEntityReferenceFieldValidation() |
Drupal\entity_reference\Tests\EntityReferenceSelectionAccessTest | 26 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityReferenceSelectionAccessTest.php | 205 | Drupal\entity_reference\Tests\EntityReferenceSelectionAccessTest->testUserHandler() |
Drupal\field\Tests\ActiveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ActiveTest.php | 30 | Drupal\field\Tests\ActiveTest->testActive() |
Drupal\field\Tests\CrudTest | 19 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CrudTest.php | 162 | Drupal\field\Tests\CrudTest->testCreateFieldWithExplicitSchema() |
Drupal\field\Tests\DisplayApiTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | DisplayApiTest.php | 120 | Drupal\field\Tests\DisplayApiTest->testFieldViewField() |
Drupal\field\Tests\FieldAccessTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldAccessTest.php | 85 | Drupal\field\Tests\FieldAccessTest->testFieldAccess() |
Drupal\field\Tests\FieldAttachStorageTest | 42 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldAttachStorageTest.php | 112 | Drupal\field\Tests\FieldAttachStorageTest->testFieldAttachLoadMultiple() |
Drupal\field\Tests\FieldImportDeleteTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldImportDeleteTest.php | 33 | Drupal\field\Tests\FieldImportDeleteTest->testImportDelete() |
Drupal\field\Tests\FieldInstanceCrudTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldInstanceCrudTest.php | 68 | Drupal\field\Tests\FieldInstanceCrudTest->testCreateFieldInstance() |
Drupal\field\Tests\NestedFormTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | NestedFormTest.php | 54 | Drupal\field\Tests\NestedFormTest->testNestedFieldForm() |
Drupal\field\Tests\reEnableModuleFieldTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | reEnableModuleFieldTest.php | 50 | Drupal\field\Tests\reEnableModuleFieldTest->testReEnabledField() |
Drupal\field\Tests\ShapeItemTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ShapeItemTest.php | 60 | Drupal\field\Tests\ShapeItemTest->testShapeItem() |
Drupal\field\Tests\TranslationWebTest | 12 | 12 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | TranslationWebTest.php | 100 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field name to gBGYg2t5 | Other | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field pass to MjtUawWEgj | Other | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Found the Log in button | Other | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Found the requested form fields at user | Other | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
User gBGYg2t5 successfully logged in. | User login | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field user_id to 1 | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field name to uyEePqdH | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field rg9ghrbw_field_name[en][0][value] to 1 | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field revision to 1 | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Found the Save button | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Found the requested form fields at entity_test_rev/manage/1/edit | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Drupal\field_sql_storage\Tests\FieldSqlStorageTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldSqlStorageTest.php | 93 | Drupal\field_sql_storage\Tests\FieldSqlStorageTest->testFieldAttachLoad() |
Drupal\field_ui\Tests\ManageFieldsTest | 35 | 65 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Failed to set field name to yTKfM3iW | Other | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
Failed to set field pass to zojp3RipiL | Other | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
Found the Log in button | Other | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
Found the requested form fields at user | Other | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
User yTKfM3iW successfully logged in. | User login | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
Label table header was found. | Other | ManageFieldsTest.php | 96 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
Machine name table header was found. | Other | ManageFieldsTest.php | 96 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
Field type table header was found. | Other | ManageFieldsTest.php | 96 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
Operations table header was found. | Other | ManageFieldsTest.php | 96 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
"Add new field" was found. | Other | ManageFieldsTest.php | 102 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
"Re-use existing field" was found. | Other | ManageFieldsTest.php | 102 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
Failed to set field fields[_add_new_field][label] to dM4Z1xlf | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Failed to set field fields[_add_new_field][field_name] to eobd0g0x | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Failed to set field fields[_add_new_field][type] to test_field | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the Save button | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the requested form fields at admin/structure/types/manage/ljfpzfgy_test/fields | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Field settings page was displayed. | Other | FieldUiTestBase.php | 75 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the Save field settings button | Other | FieldUiTestBase.php | 78 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the requested form fields at | Other | FieldUiTestBase.php | 78 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Redirected to instance and widget settings page. | Other | FieldUiTestBase.php | 79 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the Save settings button | Other | FieldUiTestBase.php | 82 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the requested form fields at | Other | FieldUiTestBase.php | 82 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Redirected to "Manage fields" page. | Other | FieldUiTestBase.php | 83 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Field was created and appears in the overview page. | Other | FieldUiTestBase.php | 86 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Existing field was found in taxonomy term fields. | Other | ManageFieldsTest.php | 125 | Drupal\field_ui\Tests\ManageFieldsTest->createField() |
Failed to set field field[settings][test_field_setting] to updated dummy test string | Other | ManageFieldsTest.php | 141 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Found the Save field settings button | Other | ManageFieldsTest.php | 141 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Found the requested form fields at | Other | ManageFieldsTest.php | 141 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Failed to set field instance[settings][test_instance_setting] to updated dummy test string | Other | ManageFieldsTest.php | 148 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Found the Save settings button | Other | ManageFieldsTest.php | 148 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Found the requested form fields at | Other | ManageFieldsTest.php | 148 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Field settings were found. | Other | ManageFieldsTest.php | 151 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Field instance settings were found. | Other | ManageFieldsTest.php | 151 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Current URL is '/checkout/admin/structure/types/manage/ljfpzfgy_test/fields'. | Other | ManageFieldsTest.php | 154 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Drupal\file\Tests\CopyTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CopyTest.php | 25 | Drupal\file\Tests\CopyTest->testNormal() |
Drupal\file\Tests\DownloadTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | DownloadTest.php | 33 | Drupal\file\Tests\DownloadTest->testPublicFileTransfer() |
Drupal\file\Tests\FileFieldDisplayTest | 27 | 19 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldDisplayTest.php | 28 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
User kVpUhDhD successfully logged in. | User login | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field fields[vxocafmk][type] to file_table | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the Save button | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the requested form fields at admin/structure/types/manage/article/display | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Failed to set field fields[vxocafmk][type] to file_url_plain | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the Save button | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the requested form fields at admin/structure/types/manage/article/display | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Failed to set field fields[vxocafmk][type] to hidden | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the Save button | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the requested form fields at admin/structure/types/manage/article/display | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Failed to set field fields[vxocafmk][type] to file_default | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the Save button | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the requested form fields at admin/structure/types/manage/article/display | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Failed to set field title to mpmNiOsi | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field revision to 1 | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field files[vxocafmk_und_0] to /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/simpletest/601330/text-0.txt | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the Save and keep published button | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the requested form fields at node/2/edit | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load(NULL)
    entity_load('file', NULL, )
    file_load(NULL)
    Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('278', 'Drupal\file\Tests\FileFieldDisplayTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Drupal\file\Tests\FileFieldRevisionTest | 10 | 11 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldRevisionTest.php | 35 | Drupal\file\Tests\FileFieldRevisionTest->testRevisions() |
Failed to set field name to aFn3bgdJ | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field pass to qdotoQCo4y | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Found the Log in button | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Found the requested form fields at user | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
User aFn3bgdJ successfully logged in. | User login | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field title to rHNBCLej | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field revision to 1 | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field files[nikn9jxw_und_0] to /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/simpletest/967057/text-0.txt | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the Save and keep published button | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the requested form fields at node/1/edit | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load(NULL)
    entity_load('file', NULL, )
    file_load(NULL)
    Drupal\file\Tests\FileFieldRevisionTest->testRevisions()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('280', 'Drupal\file\Tests\FileFieldRevisionTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Drupal\file\Tests\FileFieldRSSContentTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldRSSContentTest.php | 35 | Drupal\file\Tests\FileFieldRSSContentTest->testFileFieldRSSContent() |
Drupal\file\Tests\FileFieldValidateTest | 13 | 15 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldValidateTest.php | 30 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Failed to set field name to izCX5WMP | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field pass to 4GTtR92hde | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Found the Log in button | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Found the requested form fields at user | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
User izCX5WMP successfully logged in. | User login | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field title to qBXR3dCh | Other | FileFieldValidateTest.php | 41 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Found the Save and publish button | Other | FileFieldValidateTest.php | 41 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Found the requested form fields at node/add/article | Other | FileFieldValidateTest.php | 41 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Node save failed when required file field was empty. | Other | FileFieldValidateTest.php | 42 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Failed to set field title to rpdh4yRu | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field revision to 1 | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field files[i63bgunv_und_0] to /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/simpletest/189822/text-0.txt | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the Save and keep published button | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the requested form fields at node/1/edit | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load(NULL)
    entity_load('file', NULL, )
    file_load(NULL)
    Drupal\file\Tests\FileFieldValidateTest->testRequired()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('282', 'Drupal\file\Tests\FileFieldValidateTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Drupal\file\Tests\FileFieldWidgetTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldWidgetTest.php | 35 | Drupal\file\Tests\FileFieldWidgetTest->testSingleValuedWidget() |
Drupal\file\Tests\FileListingTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileListingTest.php | 64 | Drupal\file\Tests\FileListingTest->testFileListingPages() |
Drupal\file\Tests\FileTokenReplaceTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileTokenReplaceTest.php | 27 | Drupal\file\Tests\FileTokenReplaceTest->testFileTokenReplacement() |
Drupal\file\Tests\MoveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MoveTest.php | 25 | Drupal\file\Tests\MoveTest->testNormal() |
Drupal\file\Tests\RemoteFileSaveUploadTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | SaveUploadTest.php | 71 | Drupal\file\Tests\RemoteFileSaveUploadTest->testNormal() |
Drupal\file\Tests\SaveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | SaveTest.php | 24 | Drupal\file\Tests\SaveTest->testFileSave() |
Drupal\file\Tests\SpaceUsedTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | SpaceUsedTest.php | 45 | Drupal\file\Tests\SpaceUsedTest->testFileSpaceUsed() |
Drupal\file\Tests\ValidatorTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ValidatorTest.php | 37 | Drupal\file\Tests\ValidatorTest->testFileValidateExtensions() |
Drupal\filter\Tests\FilterAdminTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FilterAdminTest.php | 54 | Drupal\filter\Tests\FilterAdminTest->testFormatAdmin() |
Drupal\filter\Tests\FilterCrudTest | 150 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FilterCrudTest.php | 35 | Drupal\filter\Tests\FilterCrudTest->testTextFormatCrud() |
Drupal\filter\Tests\FilterHooksTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FilterHooksTest.php | 39 | Drupal\filter\Tests\FilterHooksTest->testFilterHooks() |
Drupal\filter\Tests\FilterSecurityTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FilterSecurityTest.php | 72 | Drupal\filter\Tests\FilterSecurityTest->testDisableFilterModule() |
Drupal\forum\Tests\ForumIndexTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ForumIndexTest.php | 44 | Drupal\forum\Tests\ForumIndexTest->testForumIndexStatus() |
Drupal\forum\Tests\ForumTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ForumTest.php | 112 | Drupal\forum\Tests\ForumTest->testEnableForumField() |
Drupal\hal\Tests\DenormalizeTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | DenormalizeTest.php | 28 | Drupal\hal\Tests\DenormalizeTest->testTypeHandling() |
Drupal\image\Tests\FileMoveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileMoveTest.php | 35 | Drupal\image\Tests\FileMoveTest->testNormal() |
Drupal\image\Tests\ImageEffectsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ImageEffectsTest.php | 48 | Drupal\image\Tests\ImageEffectsTest->testResizeEffect() |
Drupal\image\Tests\ImageFieldDisplayTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ImageFieldDisplayTest.php | 35 | Drupal\image\Tests\ImageFieldDisplayTest->testImageFieldFormattersPublic() |
Drupal\image\Tests\ImageItemTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ImageItemTest.php | 72 | Drupal\image\Tests\ImageItemTest->testImageItem() |
Drupal\image\Tests\ImageThemeFunctionTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ImageThemeFunctionTest.php | 35 | Drupal\image\Tests\ImageThemeFunctionTest->testImageFormatterTheme() |
Drupal\language\Tests\Condition\LanguageConditionTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageConditionTest.php | 73 | Drupal\language\Tests\Condition\LanguageConditionTest->testConditions() |
Drupal\language\Tests\LanguageBrowserDetectionUnitTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageBrowserDetectionUnitTest.php | 33 | Drupal\language\Tests\LanguageBrowserDetectionUnitTest->testLanguageFromBrowser() |
Drupal\language\Tests\LanguageCustomLanguageConfigurationTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageCustomLanguageConfigurationTest.php | 36 | Drupal\language\Tests\LanguageCustomLanguageConfigurationTest->testLanguageConfiguration() |
Drupal\language\Tests\LanguageListTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageListTest.php | 36 | Drupal\language\Tests\LanguageListTest->testLanguageList() |
Drupal\language\Tests\LanguagePathMonolingualTest | 18 | 20 | 1
Drupal\language\Tests\LanguageSwitchingTest | 12 | 15 | 4
Drupal\language\Tests\LanguageUILanguageNegotiationTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageUILanguageNegotiationTest.php | 75 | Drupal\language\Tests\LanguageUILanguageNegotiationTest->testUILanguageNegotiation() |
Drupal\language\Tests\LanguageUrlRewritingTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageUrlRewritingTest.php | 56 | Drupal\language\Tests\LanguageUrlRewritingTest->testUrlRewritingEdgeCases() |
Drupal\layout\Tests\DisplayInternalLogicTest | 4 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | DisplayInternalLogicTest.php | 83 | Drupal\layout\Tests\DisplayInternalLogicTest->testBlockMapping() |
Drupal\layout\Tests\LayoutDerivativesTest | 17 | 1 | 0
Drupal\link\Tests\LinkFieldUITest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LinkFieldUITest.php | 42 | Drupal\link\Tests\LinkFieldUITest->testFieldUI() |
Drupal\locale\Tests\LocaleConfigTranslationTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LocaleConfigTranslationTest.php | 43 | Drupal\locale\Tests\LocaleConfigTranslationTest->testConfigTranslation() |
Drupal\locale\Tests\LocaleExportTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LocaleExportTest.php | 51 | Drupal\locale\Tests\LocaleExportTest->testExportTranslation() |
Drupal\locale\Tests\LocaleJavascriptTranslation | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LocaleJavascriptTranslation.php | 33 | Drupal\locale\Tests\LocaleJavascriptTranslation->testFileParsing() |
Drupal\locale\Tests\LocalePathTest | 0 | 1 | 0
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The test did not complete due to a fatal error. | Completion check | LocalePathTest.php | 43 | Drupal\locale\Tests\LocalePathTest->testPathLanguageConfiguration() |
Drupal\locale\Tests\LocaleStringTest | 15 | 1 | 0
Drupal\locale\Tests\LocaleTranslationUiTest | 0 | 1 | 0
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LocaleTranslationUiTest.php | 37 | Drupal\locale\Tests\LocaleTranslationUiTest->testEnglishTranslation() |
Drupal\locale\Tests\LocaleUninstallFrenchTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LocaleUninstallTest.php | 51 | Drupal\locale\Tests\LocaleUninstallFrenchTest->testUninstallProcess() |
Drupal\locale\Tests\LocaleUpdateCronTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LocaleUpdateCronTest.php | 42 | Drupal\locale\Tests\LocaleUpdateCronTest->testUpdateCron() |
Drupal\locale\Tests\LocaleUpdateTest | 30 | 10 | 0
Drupal\menu\Tests\MenuLanguageTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MenuLanguageTest.php | 55 | Drupal\menu\Tests\MenuLanguageTest->testMenuLanguage() |
Drupal\node\Tests\Config\NodeImportCreateTest | 1 | 1 | 0
Drupal\node\Tests\NodeAccessFieldTest | 0 | 1 | 0
Drupal\node\Tests\NodeAccessLanguageAwareTest | 0 | 1 | 0
Drupal\node\Tests\NodeAccessRebuildTest | 0 | 1 | 0
Drupal\node\Tests\NodeAdminTest | 0 | 1 | 0
Drupal\node\Tests\NodeBuildContentTest | 0 | 1 | 0
Drupal\node\Tests\NodeEntityViewModeAlterTest | 0 | 1 | 0
Drupal\node\Tests\NodeLoadMultipleTest | 0 | 1 | 0
Drupal\node\Tests\NodeSyndicateBlockTest | 0 | 1 | 0
Drupal\node\Tests\NodeTitleTest | 20 | 1 | 1
Drupal\node\Tests\NodeTitleXSSTest | 17 | 9 | 0
Drupal\node\Tests\NodeTokenReplaceTest | 0 | 1 | 0
Drupal\node\Tests\NodeTypePersistenceTest | 0 | 1 | 0
Drupal\node\Tests\NodeValidationTest | 1 | 1 | 0
Drupal\node\Tests\PageViewTest | 0 | 1 | 0
Drupal\options\Tests\OptionsFormattersTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | OptionsFormattersTest.php | 36 | Drupal\options\Tests\OptionsFormattersTest->testFormatter() |
Drupal\overlay\Tests\OverlayCloseTest | 10 | 11 | 0
Drupal\path\Tests\PathLanguageTest | 0 | 1 | 0
Drupal\php\Tests\PhpAccessTest | 0 | 1 | 0
Drupal\picture\Tests\PictureAdminUITest | 0 | 1 | 0
Drupal\rdf\Tests\GetNamespacesTest | 0 | 1 | 0
Drupal\rdf\Tests\ImageFieldAttributesTest | 0 | 1 | 0
Drupal\rdf\Tests\NodeAttributesTest | 0 | 1 | 0
Drupal\rdf\Tests\RdfaAttributesTest | 4 | 1 | 0
Drupal\rdf\Tests\RdfMappingUpgradePathTest | 0 | 1 | 0
Drupal\rdf\Tests\TaxonomyTermFieldAttributesTest | 0 | 1 | 0
Drupal\rest\Tests\AuthTest | 0 | 1 | 0
Drupal\rest\Tests\DBLogTest | 0 | 1 | 0
Drupal\rest\Tests\NodeTest | 0 | 1 | 0
Drupal\rest\Tests\UpdateTest | 0 | 1 | 0
Drupal\search\Tests\SearchCommentCountToggleTest | 0 | 1 | 0
Drupal\search\Tests\SearchConfigSettingsFormTest | 0 | 1 | 0
Drupal\search\Tests\SearchExcerptTest | 0 | 1 | 0
Drupal\search\Tests\SearchLanguageTest | 0 | 1 | 0
Drupal\search\Tests\SearchMultilingualEntityTest | 0 | 1 | 0
Drupal\search\Tests\SearchNumberMatchingTest | 0 | 1 | 0
Drupal\search\Tests\SearchPageOverrideTest | 0 | 1 | 0
Drupal\search\Tests\SearchPreprocessLangcodeTest | 10 | 10 | 0
Drupal\search\Tests\SearchRankingTest | 0 | 1 | 0
Drupal\search\Tests\SearchSimplifyTest | 0 | 1 | 0
Drupal\serialization\Tests\EntityResolverTest | 1 | 1 | 0
Drupal\simpletest\Tests\DrupalUnitTestBaseTest | 4 | 1 | 1
Drupal\simpletest\Tests\InstallationProfileModuleTestsTest | 8 | 10 | 0
Drupal\simpletest\Tests\MissingCheckedRequirementsTest | 0 | 1 | 0
Drupal\simpletest\Tests\UserHelpersTest | 0 | 1 | 0
Drupal\statistics\Tests\StatisticsLoggingTest | 0 | 1 | 0
Drupal\statistics\Tests\StatisticsTokenReplaceTest | 0 | 1 | 0
Drupal\system\Tests\Ajax\AjaxCommandsUnitTest | 2 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AjaxCommandsUnitTest.php | 51 | Drupal\system\Tests\Ajax\AjaxCommandsUnitTest->testAddCssCommand() |
Drupal\system\Tests\Ajax\ElementValidationTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ElementValidationTest.php | 30 | Drupal\system\Tests\Ajax\ElementValidationTest->testAjaxElementValidation() |
Drupal\system\Tests\Ajax\FrameworkTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FrameworkTest.php | 32 | Drupal\system\Tests\Ajax\FrameworkTest->testAJAXRender() |
Drupal\system\Tests\Authentication\HttpBasicTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | HttpBasicTest.php | 37 | Drupal\system\Tests\Authentication\HttpBasicTest->testHttpBasic() |
Drupal\system\Tests\Batch\PageTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | PageTest.php | 35 | Drupal\system\Tests\Batch\PageTest->testBatchProgressPageTheme() |
Drupal\system\Tests\Bootstrap\MiscUnitTest | 4 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MiscUnitTest.php | 28 | Drupal\system\Tests\Bootstrap\MiscUnitTest->testCheckMemoryLimit() |
Drupal\system\Tests\Bootstrap\PageCacheTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | PageCacheTest.php | 47 | Drupal\system\Tests\Bootstrap\PageCacheTest->testAcceptHeaderRequests() |
Drupal\system\Tests\Cache\ClearTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ClearTest.php | 35 | Drupal\system\Tests\Cache\ClearTest->testFlushAllCaches() |
Drupal\system\Tests\Cache\MemoryBackendUnitTest | 18 | 1 | 0
Message | Group | Filename | Line | Function | Status
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--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | GenericCacheBackendUnitTestBase.php | 136 | Drupal\system\Tests\Cache\MemoryBackendUnitTest->testSetGet() |
Drupal\system\Tests\Common\CascadingStylesheetsTest | 2 | 1 | 0
Message | Group | Filename | Line | Function | Status
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--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CascadingStylesheetsTest.php | 42 | Drupal\system\Tests\Common\CascadingStylesheetsTest->testDefault() |
Drupal\system\Tests\Common\HtmlTagTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
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--- | --- | --- | --- | --- | ---
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--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | HtmlTagTest.php | 27 | Drupal\system\Tests\Common\HtmlTagTest->testHtmlTag() |
Drupal\system\Tests\Common\ParseInfoFileUnitTest | 3 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | ParseInfoFileUnitTest.php | 27 | Drupal\system\Tests\Common\ParseInfoFileUnitTest->testParseInfoFile() |
Drupal\system\Tests\Common\RenderTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
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The test did not complete due to a fatal error. | Completion check | RenderTest.php | 35 | Drupal\system\Tests\Common\RenderTest->testDrupalRenderBasics() |
Drupal\system\Tests\Common\SizeUnitTest | 14 | 1 | 0
Message | Group | Filename | Line | Function | Status
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--- | --- | --- | --- | --- | ---
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The test did not complete due to a fatal error. | Completion check | SizeUnitTest.php | 53 | Drupal\system\Tests\Common\SizeUnitTest->testCommonFormatSize() |
Drupal\system\Tests\Common\TableSortExtenderUnitTest | 6 | 1 | 0
Drupal\system\Tests\Common\UrlTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | UrlTest.php | 36 | Drupal\system\Tests\Common\UrlTest->testLinkXSS() |
Drupal\system\Tests\Common\WriteRecordTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | WriteRecordTest.php | 36 | Drupal\system\Tests\Common\WriteRecordTest->testDrupalWriteRecord() |
Drupal\system\Tests\Condition\ConditionFormTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | ConditionFormTest.php | 34 | Drupal\system\Tests\Condition\ConditionFormTest->testConfigForm() |
Drupal\system\Tests\Database\BasicSyntaxTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | BasicSyntaxTest.php | 29 | Drupal\system\Tests\Database\BasicSyntaxTest->testBasicConcat() |
Drupal\system\Tests\Database\ConnectionUnitTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | ConnectionUnitTest.php | 110 | Drupal\system\Tests\Database\ConnectionUnitTest->testOpenClose() |
Drupal\system\Tests\Database\DeleteTruncateTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | DeleteTruncateTest.php | 34 | Drupal\system\Tests\Database\DeleteTruncateTest->testSubselectDelete() |
Drupal\system\Tests\Database\MergeTest | 1 | 1 | 0
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The test did not complete due to a fatal error. | Completion check | MergeTest.php | 29 | Drupal\system\Tests\Database\MergeTest->testMergeInsert() |
Drupal\system\Tests\Database\SchemaTest | 0 | 1 | 1
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The test did not complete due to a fatal error. | Completion check | SchemaTest.php | 36 | Drupal\system\Tests\Database\SchemaTest->testSchema() |
PDOException: SQLSTATE[08004] [1040] Too many connections in db_create_table() (line 597 of /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc).
    PDO->__construct('mysql:host=localhost;port=3306;dbname=drupaltestbotmysql', 'drupaltestbot-my', 'SQ3tdtKfpeKO', Array)
    Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    Drupal\Core\Database\Database::openConnection('default', 'default')
    Drupal\Core\Database\Database::getConnection()
    db_create_table('test_table', Array)
    Drupal\system\Tests\Database\SchemaTest->testSchema()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('176', 'Drupal\system\Tests\Database\SchemaTest')
| Uncaught exception | Connection.php | 85 | PDO->__construct() |
Drupal\system\Tests\Database\SelectSubqueryTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | SelectSubqueryTest.php | 26 | Drupal\system\Tests\Database\SelectSubqueryTest->testFromSubquerySelect() |
Drupal\system\Tests\Database\TransactionTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | TransactionTest.php | 162 | Drupal\system\Tests\Database\TransactionTest->testTransactionRollBackSupported() |
Drupal\system\Tests\DrupalKernel\DrupalKernelTest | 9 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | DrupalKernelTest.php | 120 | Drupal\system\Tests\DrupalKernel\DrupalKernelTest->testSerialization() |
Drupal\system\Tests\Entity\EntityAccessTest | 17 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
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--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityAccessTest.php | 91 | Drupal\system\Tests\Entity\EntityAccessTest->testEntityAccessDefaultController() |
Drupal\system\Tests\Entity\EntityApiInfoTest | 4 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityApiInfoTest.php | 53 | Drupal\system\Tests\Entity\EntityApiInfoTest->testEntityInfoCacheWatchdog() |
Drupal\system\Tests\Entity\EntityCrudHookTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityCrudHookTest.php | 79 | Drupal\system\Tests\Entity\EntityCrudHookTest->testBlockHooks() |
Drupal\system\Tests\Entity\EntityFieldTest | 362 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityFieldTest.php | 306 | Drupal\system\Tests\Entity\EntityFieldTest->testSave() |
Drupal\system\Tests\Entity\EntityFormTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityFormTest.php | 42 | Drupal\system\Tests\Entity\EntityFormTest->testFormCRUD() |
Drupal\system\Tests\Entity\EntityManagerTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityManagerTest.php | 28 | Drupal\system\Tests\Entity\EntityManagerTest->testMethods() |
Drupal\system\Tests\Entity\EntityQueryAggregateTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityQueryAggregateTest.php | 131 | Drupal\system\Tests\Entity\EntityQueryAggregateTest->testAggregation() |
Drupal\system\Tests\Entity\EntityQueryTest | 24 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityQueryTest.php | 294 | Drupal\system\Tests\Entity\EntityQueryTest->testSort() |
Drupal\system\Tests\Entity\EntityRevisionsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityRevisionsTest.php | 48 | Drupal\system\Tests\Entity\EntityRevisionsTest->testRevisions() |
Drupal\system\Tests\Entity\EntityTranslationTest | 1 | 1 | 0
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityTranslationTest.php | 94 | Drupal\system\Tests\Entity\EntityTranslationTest->testEntityLanguageMethods() |
Drupal\system\Tests\Entity\EntityViewControllerTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityViewControllerTest.php | 56 | Drupal\system\Tests\Entity\EntityViewControllerTest->testEntityViewController() |
Drupal\system\Tests\File\MimeTypeTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MimeTypeTest.php | 35 | Drupal\system\Tests\File\MimeTypeTest->testFileMimeTypeDetection() |
Drupal\system\Tests\File\ReadOnlyStreamWrapperTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ReadOnlyStreamWrapperTest.php | 46 | Drupal\system\Tests\File\ReadOnlyStreamWrapperTest->testWriteFunctions() |
Drupal\system\Tests\File\RemoteFileScanDirectoryTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ScanDirectoryTest.php | 38 | Drupal\system\Tests\File\RemoteFileScanDirectoryTest->testReturn() |
Drupal\system\Tests\File\RemoteFileUnmanagedDeleteRecursiveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UnmanagedDeleteRecursiveTest.php | 25 | Drupal\system\Tests\File\RemoteFileUnmanagedDeleteRecursiveTest->testSingleFile() |
Drupal\system\Tests\File\RemoteFileUnmanagedMoveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UnmanagedMoveTest.php | 25 | Drupal\system\Tests\File\RemoteFileUnmanagedMoveTest->testNormal() |
Drupal\system\Tests\File\StreamWrapperTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | StreamWrapperTest.php | 49 | Drupal\system\Tests\File\StreamWrapperTest->testGetClassName() |
Drupal\system\Tests\File\UnmanagedDeleteRecursiveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UnmanagedDeleteRecursiveTest.php | 25 | Drupal\system\Tests\File\UnmanagedDeleteRecursiveTest->testSingleFile() |
Drupal\system\Tests\File\UnmanagedMoveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UnmanagedMoveTest.php | 25 | Drupal\system\Tests\File\UnmanagedMoveTest->testNormal() |
Drupal\system\Tests\Form\AlterTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AlterTest.php | 35 | Drupal\system\Tests\Form\AlterTest->testExecutionOrder() |
Drupal\system\Tests\Form\ArbitraryRebuildTest | 3 | 8 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Failed to set field name to foo | Other | ArbitraryRebuildTest.php | 64 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Failed to set field mail to bar@example.com | Other | ArbitraryRebuildTest.php | 64 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Found the Rebuild button | Other | ArbitraryRebuildTest.php | 64 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Found the requested form fields at user/register | Other | ArbitraryRebuildTest.php | 64 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
"Form rebuilt." found | Other | ArbitraryRebuildTest.php | 65 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Entered user name has been kept. | Browser | ArbitraryRebuildTest.php | 66 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Entered mail address has been kept. | Browser | ArbitraryRebuildTest.php | 67 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
The test did not complete due to a fatal error. | Completion check | ArbitraryRebuildTest.php | 73 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationMultipleField() |
Drupal\system\Tests\Form\CheckboxTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CheckboxTest.php | 32 | Drupal\system\Tests\Form\CheckboxTest->testFormCheckbox() |
Drupal\system\Tests\Form\ConfirmFormTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfirmFormTest.php | 32 | Drupal\system\Tests\Form\ConfirmFormTest->testConfirmForm() |
Drupal\system\Tests\Form\ElementsTableSelectTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ElementsTableSelectTest.php | 35 | Drupal\system\Tests\Form\ElementsTableSelectTest->testMultipleTrue() |
Drupal\system\Tests\Form\ElementTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ElementTest.php | 35 | Drupal\system\Tests\Form\ElementTest->testPlaceHolderText() |
Drupal\system\Tests\Form\FileInclusionTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileInclusionTest.php | 35 | Drupal\system\Tests\Form\FileInclusionTest->testLoadMenuInclude() |
Drupal\system\Tests\Form\FormObjectTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FormObjectTest.php | 51 | Drupal\system\Tests\Form\FormObjectTest->testObjectFormCallback() |
Drupal\system\Tests\Form\HTMLIdTest | 5 | 2 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Found the Save button | Other | HTMLIdTest.php | 41 | Drupal\system\Tests\Form\HTMLIdTest->testHTMLId() |
Found the requested form fields at | Other | HTMLIdTest.php | 41 | Drupal\system\Tests\Form\HTMLIdTest->testHTMLId() |
Drupal\system\Tests\Form\ProgrammaticTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ProgrammaticTest.php | 35 | Drupal\system\Tests\Form\ProgrammaticTest->testSubmissionWorkflow() |
Drupal\system\Tests\Form\RedirectTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | RedirectTest.php | 35 | Drupal\system\Tests\Form\RedirectTest->testRedirect() |
Drupal\system\Tests\Form\StateValuesCleanTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | StateValuesCleanTest.php | 35 | Drupal\system\Tests\Form\StateValuesCleanTest->testFormStateValuesClean() |
Drupal\system\Tests\Form\WrapperTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | WrapperTest.php | 35 | Drupal\system\Tests\Form\WrapperTest->testWrapperCallback() |
Drupal\system\Tests\InstallerTest | 2 | 3 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | InstallerTest.php | 151 | Drupal\system\Tests\InstallerTest->testInstaller() |
Found the Save and continue button | Other | InstallerTest.php | 82 | Drupal\system\Tests\InstallerTest->setUp() |
Found the requested form fields at | Other | InstallerTest.php | 82 | Drupal\system\Tests\InstallerTest->setUp() |
Drupal\system\Tests\KeyValueStore\DatabaseStorageTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | StorageTestBase.php | 73 | Drupal\system\Tests\KeyValueStore\DatabaseStorageTest->testCRUD() |
Drupal\system\Tests\Lock\LockFunctionalTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LockFunctionalTest.php | 35 | Drupal\system\Tests\Lock\LockFunctionalTest->testLockAcquire() |
Drupal\system\Tests\Mail\HtmlToTextTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | HtmlToTextTest.php | 75 | Drupal\system\Tests\Mail\HtmlToTextTest->testTags() |
Drupal\system\Tests\Menu\BreadcrumbTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BreadcrumbTest.php | 59 | Drupal\system\Tests\Menu\BreadcrumbTest->testBreadCrumbs() |
Drupal\system\Tests\Menu\LocalActionTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LocalActionTest.php | 36 | Drupal\system\Tests\Menu\LocalActionTest->testLocalAction() |
Drupal\system\Tests\Menu\MenuRouterTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MenuRouterTest.php | 74 | Drupal\system\Tests\Menu\MenuRouterTest->testHookMenuIntegration() |
Drupal\system\Tests\Menu\RebuildTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | RebuildTest.php | 27 | Drupal\system\Tests\Menu\RebuildTest->testMenuRebuildByVariable() |
Drupal\system\Tests\Menu\TreeAccessTest | 3 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | TreeAccessTest.php | 90 | Drupal\system\Tests\Menu\TreeAccessTest->testRouteItemMenuLinksAccess() |
Drupal\system\Tests\Module\ClassLoaderTest | 6 | 1 | 0
Drupal\system\Tests\Module\EnableDisableTest | 0 | 1 | 0
Drupal\system\Tests\Module\HookRequirementsTest | 0 | 1 | 0
Drupal\system\Tests\Module\ModuleApiTest | 0 | 1 | 0
Drupal\system\Tests\Module\RequiredTest | 0 | 1 | 0
Drupal\system\Tests\Module\VersionTest | 0 | 1 | 0
Drupal\system\Tests\Pager\PagerTest | 0 | 1 | 0
Drupal\system\Tests\Path\AliasTest | 1 | 1 | 1
Drupal\system\Tests\Plugin\AlterDecoratorTest | 0 | 1 | 0
Drupal\system\Tests\Plugin\CacheDecoratorTest | 5 | 1 | 0
Drupal\system\Tests\Plugin\DerivativeTest | 12 | 1 | 0
Drupal\system\Tests\Plugin\Discovery\CustomAnnotationClassDiscoveryTest | 5 | 1 | 0
Drupal\system\Tests\Plugin\Discovery\StaticDiscoveryTest | 6 | 1 | 0
Drupal\system\Tests\Routing\MatcherDumperTest | 0 | 1 | 1
Drupal\system\Tests\Routing\RouteProviderTest | 0 | 1 | 1
Drupal\system\Tests\Routing\RouterTest | 0 | 1 | 0
Drupal\system\Tests\ServiceProvider\ServiceProviderTest | 0 | 1 | 0
Drupal\system\Tests\System\AdminMetaTagTest | 0 | 1 | 0
Drupal\system\Tests\System\CronRunTest | 0 | 1 | 0
Drupal\system\Tests\System\DateFormatsLockedTest | 0 | 1 | 0
Drupal\system\Tests\System\DefaultMobileMetaTagsTest | 0 | 1 | 0
Drupal\system\Tests\System\ExceptionControllerTest | 2 | 1 | 0
Drupal\system\Tests\System\FrontPageTest | 0 | 1 | 0
Drupal\system\Tests\System\IndexPhpTest | 0 | 1 | 0
Drupal\system\Tests\System\MainContentFallbackTest | 0 | 1 | 0
Drupal\system\Tests\System\PageTitleTest | 0 | 1 | 0
Drupal\system\Tests\System\RetrieveFileTest | 0 | 1 | 0
Drupal\system\Tests\System\ShutdownFunctionsTest | 0 | 1 | 0
Drupal\system\Tests\System\SystemAuthorizeTest | 0 | 1 | 0
Drupal\system\Tests\Theme\ThemeTestPhpTemplate | 0 | 1 | 0
Drupal\system\Tests\Theme\ThemeTestTwig | 0 | 1 | 0
Drupal\system\Tests\Theme\TwigDebugMarkupTest | 0 | 1 | 0
Drupal\system\Tests\Theme\TwigExtensionTest | 0 | 1 | 0
Drupal\system\Tests\Theme\TwigSettingsTest | 0 | 1 | 0
Drupal\system\Tests\Theme\TwigTransTest | 0 | 1 | 0
Drupal\system\Tests\Transliteration\TransliterationTest | 31 | 1 | 0
Drupal\system\Tests\TypedData\TypedDataTest | 1 | 1 | 0
Drupal\system\Tests\Update\DependencyOrderingTest | 0 | 1 | 0
Drupal\system\Tests\Update\UpdateScriptTest | 152 | 38 | 9
Drupal\system\Tests\Upgrade\BareMinimalAnonymousUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\BareStandardUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\DateUpgradePathTest | 4 | 1 | 2
Drupal\system\Tests\Upgrade\FieldUIUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\FilledMinimalUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\FilterFormatUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\LanguageUpgradePathTest | 8 | 3 | 3
Drupal\system\Tests\Upgrade\ModuleNameLengthUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\ShortcutUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\SystemUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\UserRoleUpgradePathTest | 0 | 1 | 0
Drupal\telephone\Tests\TelephoneFieldTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | TelephoneFieldTest.php | 53 | Drupal\telephone\Tests\TelephoneFieldTest->testTelephoneField() |
Drupal\text\Tests\Formatter\TextPlainUnitTest | 2 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | TextPlainUnitTest.php | 295 | Drupal\text\Tests\Formatter\TextPlainUnitTest->testPlainText() |
Drupal\toolbar\Tests\ToolbarHookToolbarTest | 0 | 1 | 0
Drupal\tracker\Tests\TrackerTest | 0 | 1 | 0
Drupal\translation\Tests\TranslationTest | 0 | 1 | 0
Drupal\update\Tests\UpdateCoreTest | 10 | 9 | 0
Drupal\update\Tests\UpdateCoreUnitTest | 4 | 1 | 0
Drupal\update\Tests\UpdateUploadTest | 18 | 17 | 0
Drupal\user\Tests\UserSaveTest | 0 | 1 | 0
Drupal\user\Tests\UserTimeZoneTest | 0 | 1 | 0
Drupal\user\Tests\Views\HandlerFieldUserNameTest | 0 | 1 | 0
Drupal\user\Tests\Views\HandlerFilterPermissionTest | 1 | 1 | 0
Drupal\views\Tests\Entity\FieldEntityTest | 0 | 1 | 0
Drupal\views\Tests\GlossaryTest | 0 | 1 | 0
Drupal\views\Tests\Handler\AreaEntityTest | 0 | 1 | 0
Drupal\views\Tests\Handler\AreaTest | 0 | 1 | 0
Drupal\views\Tests\Handler\AreaTitleTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FieldCounterTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FieldUnitTest | 27 | 1 | 0
Drupal\views\Tests\Handler\FieldUrlTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FilterBooleanOperatorTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FilterEqualityTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FilterStringTest | 1 | 1 | 0
Drupal\views\Tests\Handler\SortTest | 1 | 1 | 0
Drupal\views\Tests\Plugin\AccessTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\CacheTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\DisplayPageTest | 1 | 1 | 0
Drupal\views\Tests\Plugin\FilterTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\MiniPagerTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\QueryTest | 1 | 1 | 0
Drupal\views\Tests\Plugin\StyleTableTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\StyleTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\ViewsBlockTest | 1 | 1 | 0
Drupal\views\Tests\ViewExecutableTest | 1 | 1 | 0
Drupal\views\Tests\ViewsHooksTest | 1 | 1 | 0
Drupal\views\Tests\ViewStorageTest | 1 | 1 | 0
Drupal\views_ui\Tests\DefaultViewsTest | 0 | 1 | 0
Drupal\views_ui\Tests\DisplayExtenderUITest | 0 | 1 | 0
Drupal\views_ui\Tests\ExposedFormUITest | 0 | 1 | 0
Drupal\views_ui\Tests\FilterBooleanWebTest | 0 | 1 | 0
Drupal\views_ui\Tests\RearrangeFieldsTest | 0 | 1 | 0
Drupal\views_ui\Tests\RowUITest | 0 | 1 | 0
Drupal\views_ui\Tests\StorageTest | 0 | 1 | 0
Drupal\xmlrpc\Tests\XmlRpcMessagesTest | 0 | 1 | 0
Drupal\xmlrpc\Tests\XmlRpcValidatorTest | 0 | 1 | 0

### All

Test name | Pass | Fail | Exception
--- | --- | --- | ---

Test name | Pass | Fail | Exception
--- | --- | --- | ---
| 508 | 0 | 0
Drupal\action\Tests\BulkFormTest | 9 | 46 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The action select field appears. | Browser | BulkFormTest.php | 52 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 0 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 1 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 2 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 3 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 4 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 5 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 6 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 7 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 8 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
The checkbox on row 9 appears. | Browser | BulkFormTest.php | 57 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[0] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[1] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[2] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[3] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[4] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[5] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[6] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[7] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[8] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[9] to 1 | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action to node_make_sticky_action | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Found the Apply button | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Found the requested form fields at | Other | BulkFormTest.php | 63 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 1 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 2 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 3 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 4 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 5 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 6 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 7 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 8 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 9 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Node 10 got marked as sticky. | Other | BulkFormTest.php | 67 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
"Make content sticky was applied to 10 items." found | Other | BulkFormTest.php | 70 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action_bulk_form[0] to 1 | Other | BulkFormTest.php | 77 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Failed to set field action to node_unpublish_action | Other | BulkFormTest.php | 77 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Found the Apply button | Other | BulkFormTest.php | 77 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Found the requested form fields at | Other | BulkFormTest.php | 77 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
"Unpublish content was applied to 1 item." found | Other | BulkFormTest.php | 79 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
A single node has been unpublished. | Other | BulkFormTest.php | 83 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Value 0 is equal to value 2. | Other | BulkFormTest.php | 99 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Option node_make_sticky_action for field edit-action exists. | Browser | BulkFormTest.php | 100 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Option node_make_unsticky_action for field edit-action exists. | Browser | BulkFormTest.php | 101 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Option node_make_sticky_action for field edit-action does not exist. | Browser | BulkFormTest.php | 110 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Option node_make_unsticky_action for field edit-action does not exist. | Browser | BulkFormTest.php | 111 | Drupal\action\Tests\BulkFormTest->testBulkForm() |
Drupal\action\Tests\ConfigurationTest | 19 | 34 | 5
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Failed to set field name to n94YcGte | Other | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field pass to 6spYSE3Ay7 | Other | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Log in button | Other | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at user | Other | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
User n94YcGte successfully logged in. | User login | ConfigurationTest.php | 39 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field action to RlNfIL8R9iZFfGM45liyQlw3nkJlc3vvhbAGQN5bYUc | Other | ConfigurationTest.php | 44 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Create button | Other | ConfigurationTest.php | 44 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at admin/config/system/actions | Other | ConfigurationTest.php | 44 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 45 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field label to jaTka8Qp | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field id to jatka8qp | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field url to admin | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Save button | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at admin/config/system/actions/add/RlNfIL8R9iZFfGM45liyQlw3nkJlc3vvhbAGQN5bYUc | Other | ConfigurationTest.php | 53 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 54 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure we get a confirmation that we've successfully saved the complex action. | Other | ConfigurationTest.php | 57 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure the action label appears on the configuration page after we've saved the complex action. | Other | ConfigurationTest.php | 58 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Undefined variable: url_target
    Drupal\simpletest\WebTestBase->clickLink('Configure')
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Notice | WebTestBase.php | 2108 | Drupal\simpletest\WebTestBase->clickLink() |
Clicked link Configure () from http://drupaltestbot1848/checkout/admin/config/system/actions/add/RlNfIL8R9iZFfGM45liyQlw3nkJlc3vvhbAGQN5bYUc | Browser | ConfigurationTest.php | 61 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Undefined offset: 1
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Notice | ConfigurationTest.php | 63 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field label to z2TSdvrr | Other | ConfigurationTest.php | 68 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Failed to set field url to admin | Other | ConfigurationTest.php | 68 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Save button | Other | ConfigurationTest.php | 68 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at | Other | ConfigurationTest.php | 68 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 69 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure we get a confirmation that we've successfully updated the complex action. | Other | ConfigurationTest.php | 72 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure the action label appears on the configuration page after we've updated the complex action. | Other | ConfigurationTest.php | 74 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Undefined variable: url_target
    Drupal\simpletest\WebTestBase->clickLink('Configure')
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Notice | WebTestBase.php | 2108 | Drupal\simpletest\WebTestBase->clickLink() |
Clicked link Configure () from http://drupaltestbot1848/checkout/admin/config/system/actions/add/RlNfIL8R9iZFfGM45liyQlw3nkJlc3vvhbAGQN5bYUc | Browser | ConfigurationTest.php | 76 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure the URL appears when re-editing the action. | Other | ConfigurationTest.php | 78 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Undefined variable: url_target
    Drupal\simpletest\WebTestBase->clickLink('Delete')
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Notice | WebTestBase.php | 2108 | Drupal\simpletest\WebTestBase->clickLink() |
Clicked link Delete () from http://drupaltestbot1848/checkout/admin/config/system/actions | Browser | ConfigurationTest.php | 82 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 83 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the Delete button | Other | ConfigurationTest.php | 85 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Found the requested form fields at admin/config/system/actions/configure//delete | Other | ConfigurationTest.php | 85 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 500 | Browser | ConfigurationTest.php | 86 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
Make sure that we get a delete confirmation message. | Other | ConfigurationTest.php | 89 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
HTTP response expected 200, actual 403 | Browser | ConfigurationTest.php | 91 | Drupal\action\Tests\ConfigurationTest->testActionConfiguration() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Config\Entity\ConfigStorageController->loadMultiple(Array)
    Drupal\Core\Config\Entity\ConfigStorageController->load(NULL)
    entity_load('action', NULL)
    Drupal\action\Tests\ConfigurationTest->testActionConfiguration()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('2', 'Drupal\action\Tests\ConfigurationTest')
| Warning | ConfigStorageController.php | 125 | Drupal\Core\Config\Entity\ConfigStorageController->loadMultiple() |
Drupal\aggregator\Tests\AddFeedTest | 10 | 13 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AddFeedTest.php | 25 | Drupal\aggregator\Tests\AddFeedTest->testAddFeed() |
Failed to set field name to v8bDVXLU | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field pass to sa4XGzkWpb | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Found the Log in button | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Found the requested form fields at user | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
User v8bDVXLU successfully logged in. | User login | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field title to wguG9d6DH6 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field url to http://drupaltestbot1848/checkout/rss.xml?feed=wguG9d6DH6 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field refresh to 900 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the Save button | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the requested form fields at admin/config/services/aggregator/add/feed | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed wguG9d6DH6 has been added. | Other | AggregatorTestBase.php | 58 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed found in database. | Other | AggregatorTestBase.php | 61 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load()
    entity_load('aggregator_feed', )
    aggregator_feed_load()
    Drupal\aggregator\Tests\AggregatorTestBase->createFeed()
    Drupal\aggregator\Tests\AddFeedTest->testAddFeed()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('4', 'Drupal\aggregator\Tests\AddFeedTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Drupal\aggregator\Tests\AggregatorConfigurationTest | 14 | 33 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Failed to set field name to pa3k1rXN | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field pass to GjSeAC3Tjj | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Found the Log in button | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Found the requested form fields at user | Other | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
User pa3k1rXN successfully logged in. | User login | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
"Test fetcher" found | Other | AggregatorConfigurationTest.php | 28 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"Test parser" found | Other | AggregatorConfigurationTest.php | 29 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"Test processor" found | Other | AggregatorConfigurationTest.php | 30 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_allowed_html_tags to <a> | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_summary_items to 10 | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_clear to 3600 | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_category_selector to select | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_teaser_length to 200 | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_fetcher to aggregator_test_fetcher | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_parser to aggregator_test_parser | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field aggregator_processors[aggregator_test_processor] to aggregator_test_processor | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Found the Save configuration button | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Found the requested form fields at admin/config/services/aggregator/settings | Other | AggregatorConfigurationTest.php | 43 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"The configuration options have been saved." found | Other | AggregatorConfigurationTest.php | 44 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_allowed_html_tags" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_summary_items" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_clear" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_category_selector" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_teaser_length" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_fetcher" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_parser" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"aggregator_processors[aggregator_test_processor]" has correct default value. | Browser | AggregatorConfigurationTest.php | 47 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"Dummy length setting" found | Other | AggregatorConfigurationTest.php | 51 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Failed to set field dummy_length to 100 | Other | AggregatorConfigurationTest.php | 56 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Found the Save configuration button | Other | AggregatorConfigurationTest.php | 56 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Found the requested form fields at admin/config/services/aggregator/settings | Other | AggregatorConfigurationTest.php | 56 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"The configuration options have been saved." found | Other | AggregatorConfigurationTest.php | 57 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
"dummy_length" has correct default value. | Browser | AggregatorConfigurationTest.php | 58 | Drupal\aggregator\Tests\AggregatorConfigurationTest->testSettingsPage() |
Drupal\aggregator\Tests\AggregatorCronTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AggregatorCronTest.php | 25 | Drupal\aggregator\Tests\AggregatorCronTest->testCron() |
Drupal\aggregator\Tests\AggregatorRenderingTest | 23 | 29 | 6
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AggregatorRenderingTest.php | 37 | Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks() |
User mh8yGhVh successfully logged in. | User login | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field title to fXCz1QBU | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to r1RuhmfK | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to wDUZYrUa | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to pFmlde8V | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to xVYH5IZq | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to ghzuVGLH | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to kS7NyBsk | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to naQTbOpv | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to tNlbNBuF | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field body[und][0][value] to ifNhsnid | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the Save button | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Found the requested form fields at node/add/article | Other | AggregatorTestBase.php | 365 | Drupal\aggregator\Tests\AggregatorTestBase->createSampleNodes() |
Failed to set field title to neTzPxVlTb | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field url to http://drupaltestbot1848/checkout/rss.xml?feed=neTzPxVlTb | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field refresh to 900 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the Save button | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the requested form fields at admin/config/services/aggregator/add/feed | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed neTzPxVlTb has been added. | Other | AggregatorTestBase.php | 58 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed found in database. | Other | AggregatorTestBase.php | 61 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load()
    entity_load('aggregator_feed', )
    aggregator_feed_load()
    Drupal\aggregator\Tests\AggregatorTestBase->createFeed()
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Argument 1 passed to Drupal\aggregator\Tests\AggregatorTestBase::updateFeedItems() must be an instance of Drupal\aggregator\Entity\Feed, null given, called in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorRenderingTest.php on line 41 and defined
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Recoverable error | AggregatorTestBase.php | 155 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Trying to get property of non-object
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Notice | AggregatorTestBase.php | 157 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Trying to get property of non-object
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Notice | AggregatorTestBase.php | 157 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Trying to get property of non-object
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Notice | AggregatorTestBase.php | 158 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Trying to get property of non-object
    Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems(NULL, '0')
    Drupal\aggregator\Tests\AggregatorRenderingTest->testBlockLinks()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('7', 'Drupal\aggregator\Tests\AggregatorRenderingTest')
| Notice | AggregatorTestBase.php | 158 | Drupal\aggregator\Tests\AggregatorTestBase->updateFeedItems() |
Drupal\aggregator\Tests\CategorizeFeedItemTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CategorizeFeedItemTest.php | 28 | Drupal\aggregator\Tests\CategorizeFeedItemTest->testCategorizeFeedItem() |
Drupal\aggregator\Tests\FeedFetcherPluginTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FeedFetcherPluginTest.php | 36 | Drupal\aggregator\Tests\FeedFetcherPluginTest->testfetch() |
Drupal\aggregator\Tests\FeedParserTest | 10 | 9 | 12
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FeedParserTest.php | 40 | Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample() |
User blwUaSsy successfully logged in. | User login | AggregatorTestBase.php | 35 | Drupal\aggregator\Tests\AggregatorTestBase->setUp() |
Failed to set field title to d6Fta8TE6i | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field url to http://drupaltestbot1848/checkout/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test_rss091.xml | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Failed to set field refresh to 900 | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the Save button | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
Found the requested form fields at admin/config/services/aggregator/add/feed | Other | AggregatorTestBase.php | 57 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed d6Fta8TE6i has been added. | Other | AggregatorTestBase.php | 58 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
The feed found in database. | Other | AggregatorTestBase.php | 61 | Drupal\aggregator\Tests\AggregatorTestBase->createFeed() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load()
    entity_load('aggregator_feed', )
    aggregator_feed_load()
    Drupal\aggregator\Tests\AggregatorTestBase->createFeed('http://drupaltestbot1848/checkout/core/modules/aggregator/tests/modules/aggregator_test/aggregator_test_rss091.xml')
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Argument 1 passed to aggregator_refresh() must be an instance of Drupal\aggregator\Entity\Feed, null given, called in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/FeedParserTest.php on line 42 and defined
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Recoverable error | aggregator.module | 352 | aggregator_refresh() |
Trying to get property of non-object
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | aggregator.module | 354 | aggregator_refresh() |
Trying to get property of non-object
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | aggregator.module | 354 | aggregator_refresh() |
Argument 1 passed to Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher::fetch() must be an instance of Drupal\aggregator\Entity\Feed, null given, called in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/aggregator.module on line 360 and defined
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Recoverable error | DefaultFetcher.php | 33 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Trying to get property of non-object
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 35 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Trying to get property of non-object
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 35 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Creating default object from empty value
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Run-time notice | DefaultFetcher.php | 36 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Undefined property: stdClass::$etag
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 39 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Trying to get property of non-object
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 39 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Undefined property: stdClass::$modified
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 42 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Trying to get property of non-object
    Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch(NULL)
    aggregator_refresh(NULL)
    Drupal\aggregator\Tests\FeedParserTest->testRSS091Sample()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('12', 'Drupal\aggregator\Tests\FeedParserTest')
| Notice | DefaultFetcher.php | 42 | Drupal\aggregator\Plugin\aggregator\fetcher\DefaultFetcher->fetch() |
Drupal\aggregator\Tests\FeedProcessorPluginTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FeedProcessorPluginTest.php | 39 | Drupal\aggregator\Tests\FeedProcessorPluginTest->testProcess() |
Drupal\aggregator\Tests\RemoveFeedTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | RemoveFeedTest.php | 25 | Drupal\aggregator\Tests\RemoveFeedTest->testRemoveFeed() |
Drupal\block\Tests\BlockAdminThemeTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockAdminThemeTest.php | 35 | Drupal\block\Tests\BlockAdminThemeTest->testAdminTheme() |
Drupal\block\Tests\BlockHiddenRegionTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockHiddenRegionTest.php | 55 | Drupal\block\Tests\BlockHiddenRegionTest->testBlockNotInHiddenRegion() |
Drupal\block\Tests\BlockInterfaceTest | 6 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockInterfaceTest.php | 41 | Drupal\block\Tests\BlockInterfaceTest->testBlockInterface() |
Drupal\block\Tests\BlockRenderOrderTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockRenderOrderTest.php | 44 | Drupal\block\Tests\BlockRenderOrderTest->testBlockRenderOrder() |
Drupal\block\Tests\BlockTemplateSuggestionsUnitTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockTemplateSuggestionsUnitTest.php | 35 | Drupal\block\Tests\BlockTemplateSuggestionsUnitTest->testBlockThemeHookSuggestions() |
Drupal\block\Tests\BlockTitleXSSTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BlockTitleXSSTest.php | 41 | Drupal\block\Tests\BlockTitleXSSTest->testXSSInTitle() |
Drupal\block\Tests\NewDefaultThemeBlocksTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | NewDefaultThemeBlocksTest.php | 35 | Drupal\block\Tests\NewDefaultThemeBlocksTest->testNewDefaultThemeBlocks() |
Drupal\block\Tests\Plugin\views\display\BlockTest | 2 | 0 | 0
Drupal\book\Tests\BookTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BookTest.php | 108 | Drupal\book\Tests\BookTest->testBook() |
Drupal\breakpoint\Tests\BreakpointAPITest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BreakpointAPITest.php | 31 | Drupal\breakpoint\Tests\BreakpointAPITest->testConfigName() |
Drupal\breakpoint\Tests\BreakpointGroupAPITest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BreakpointGroupAPITest.php | 32 | Drupal\breakpoint\Tests\BreakpointGroupAPITest->testConfigName() |
Drupal\breakpoint\Tests\BreakpointMediaQueryTest | 2 | 0 | 0
Drupal\breakpoint\Tests\BreakpointThemeTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BreakpointThemeTest.php | 41 | Drupal\breakpoint\Tests\BreakpointThemeTest->testThemeBreakpoints() |
Drupal\ckeditor\Tests\CKEditorPluginManagerTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CKEditorPluginManagerTest.php | 65 | Drupal\ckeditor\Tests\CKEditorPluginManagerTest->testEnabledPlugins() |
Drupal\comment\Tests\CommentActionsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentActionsTest.php | 33 | Drupal\comment\Tests\CommentActionsTest->testCommentPublishUnpublishActions() |
Drupal\comment\Tests\CommentApprovalTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentApprovalTest.php | 25 | Drupal\comment\Tests\CommentApprovalTest->testApprovalAdminInterface() |
Drupal\comment\Tests\CommentContentRebuildTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentContentRebuildTest.php | 25 | Drupal\comment\Tests\CommentContentRebuildTest->testCommentRebuild() |
Drupal\comment\Tests\CommentFieldsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentFieldsTest.php | 33 | Drupal\comment\Tests\CommentFieldsTest->testCommentDefaultFields() |
Drupal\comment\Tests\CommentNodeAccessTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentNodeAccessTest.php | 54 | Drupal\comment\Tests\CommentNodeAccessTest->testThreadedCommentView() |
Drupal\comment\Tests\CommentNodeChangesTest | 12 | 15 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentNodeChangesTest.php | 26 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Failed to set field name to ynqLIhXZ | Other | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Failed to set field pass to VYNvdqTkjq | Other | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Found the Log in button | Other | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Found the requested form fields at user | Other | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
User ynqLIhXZ successfully logged in. | User login | CommentNodeChangesTest.php | 27 | Drupal\comment\Tests\CommentNodeChangesTest->testNodeDeletion() |
Preview button found. | Browser | CommentTestBase.php | 125 | Drupal\comment\Tests\CommentTestBase->postComment() |
Save button found. | Browser | CommentTestBase.php | 126 | Drupal\comment\Tests\CommentTestBase->postComment() |
Failed to set field comment_body[und][0][value] to kAZDDcTG | Other | CommentTestBase.php | 127 | Drupal\comment\Tests\CommentTestBase->postComment() |
Failed to set field subject to zKr4Yymb | Other | CommentTestBase.php | 127 | Drupal\comment\Tests\CommentTestBase->postComment() |
Found the Save button | Other | CommentTestBase.php | 127 | Drupal\comment\Tests\CommentTestBase->postComment() |
Found the requested form fields at | Other | CommentTestBase.php | 127 | Drupal\comment\Tests\CommentTestBase->postComment() |
Comment subject posted. | Other | CommentTestBase.php | 143 | Drupal\comment\Tests\CommentTestBase->postComment() |
Comment body posted. | Other | CommentTestBase.php | 145 | Drupal\comment\Tests\CommentTestBase->postComment() |
Comment id found. | Other | CommentTestBase.php | 146 | Drupal\comment\Tests\CommentTestBase->postComment() |
Drupal\comment\Tests\CommentPagerTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentPagerTest.php | 25 | Drupal\comment\Tests\CommentPagerTest->testCommentPaging() |
Drupal\comment\Tests\CommentRssTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentRssTest.php | 33 | Drupal\comment\Tests\CommentRssTest->testCommentRss() |
Drupal\comment\Tests\CommentThreadingTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentThreadingTest.php | 27 | Drupal\comment\Tests\CommentThreadingTest->testCommentThreading() |
Drupal\comment\Tests\CommentUninstallTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CommentUninstallTest.php | 43 | Drupal\comment\Tests\CommentUninstallTest->testCommentUninstallWithField() |
Drupal\comment\Tests\Views\FilterUserUIDTest | 9 | 0 | 0
Drupal\config\Tests\ConfigDiffTest | 12 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigDiffTest.php | 35 | Drupal\config\Tests\ConfigDiffTest->testDiff() |
Drupal\config\Tests\ConfigEntityStorageControllerTest | 3 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigEntityStorageControllerTest.php | 37 | Drupal\config\Tests\ConfigEntityStorageControllerTest->testUUIDConflict() |
Drupal\config\Tests\ConfigFileContentTest | 26 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigFileContentTest.php | 28 | Drupal\config\Tests\ConfigFileContentTest->testReadWriteConfig() |
Drupal\config\Tests\ConfigInstallTest | 14 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigInstallTest.php | 35 | Drupal\config\Tests\ConfigInstallTest->testModuleInstallation() |
Drupal\config\Tests\ConfigOverrideTest | 26 | 0 | 0
Drupal\config\Tests\ConfigUpgradeTest | 12 | 0 | 0
Drupal\config\Tests\Storage\DatabaseStorageTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfigStorageTestBase.php | 32 | Drupal\config\Tests\Storage\DatabaseStorageTest->testCRUD() |
Drupal\contact\Tests\ContactAuthenticatedUserTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContactAuthenticatedUserTest.php | 35 | Drupal\contact\Tests\ContactAuthenticatedUserTest->testContactSiteWideTextfieldsLoggedInTestCase() |
Drupal\contact\Tests\ContactSitewideTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
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--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContactSitewideTest.php | 36 | Drupal\contact\Tests\ContactSitewideTest->testSiteWideContact() |
Drupal\contact\Tests\MessageEntityTest | 2 | 1 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MessageEntityTest.php | 42 | Drupal\contact\Tests\MessageEntityTest->testMessageMethods() |
PDOException: SQLSTATE[08004] [1040] Too many connections in Symfony\Component\DependencyInjection\ContainerBuilder->createService() (line 959 of /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php).
    PDO->__construct('mysql:host=localhost;port=3306;dbname=drupaltestbotmysql', 'drupaltestbot-my', 'SQ3tdtKfpeKO', Array)
    Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    Drupal\Core\Database\Database::openConnection('default', 'default')
    Drupal\Core\Database\Database::getConnection('default')
    call_user_func_array(Array, Array)
    Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object, 'database')
    Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    Drupal\Core\Entity\DatabaseStorageController::createInstance(Object, 'contact_message', Array)
    Drupal\Core\Entity\EntityManager->getController('contact_message', 'storage')
    Drupal\Core\Entity\EntityManager->getStorageController('contact_message')
    Drupal\contact\Tests\MessageEntityTest->testMessageMethods()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('138', 'Drupal\contact\Tests\MessageEntityTest')
| Uncaught exception | Connection.php | 85 | PDO->__construct() |
Drupal\content_translation\Tests\ContentTranslationSyncImageTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContentTranslationSyncImageTest.php | 84 | Drupal\content_translation\Tests\ContentTranslationSyncImageTest->testImageFieldSync() |
Drupal\content_translation\Tests\ContentTranslationWorkflowsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContentTranslationWorkflowsTest.php | 78 | Drupal\content_translation\Tests\ContentTranslationWorkflowsTest->testWorkflows() |
Drupal\contextual\Tests\ContextualUnitTest | 5 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ContextualUnitTest.php | 106 | Drupal\contextual\Tests\ContextualUnitTest->testContextualLinksToId() |
Drupal\Core\Tests\Entity\Controller\EntityViewControllerTest | 1 | 0 | 0
Drupal\custom_block\Tests\CustomBlockFieldTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CustomBlockFieldTest.php | 61 | Drupal\custom_block\Tests\CustomBlockFieldTest->testBlockFields() |
Drupal\custom_block\Tests\CustomBlockLoadHooksTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CustomBlockLoadHooksTest.php | 36 | Drupal\custom_block\Tests\CustomBlockLoadHooksTest->testHookCustomBlockLoad() |
Drupal\custom_block\Tests\CustomBlockRevisionsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CustomBlockRevisionsTest.php | 70 | Drupal\custom_block\Tests\CustomBlockRevisionsTest->testRevisions() |
Drupal\custom_block\Tests\CustomBlockTypeTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CustomBlockTypeTest.php | 46 | Drupal\custom_block\Tests\CustomBlockTypeTest->testCustomBlockTypeCreation() |
Drupal\editor\Tests\EditIntegrationTest | 1 | 1 | 0
Drupal\edit\Tests\EditLoadingTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EditLoadingTest.php | 74 | Drupal\edit\Tests\EditLoadingTest->testUserWithoutPermission() |
Drupal\edit\Tests\MetadataGeneratorTest | 14 | 0 | 0
Drupal\email\Tests\EmailItemTest | 10 | 0 | 0
Drupal\entity\Tests\EntityDisplayModeTest | 14 | 21 | 3
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
HTTP response expected 403, actual 200 | Browser | EntityDisplayModeTest.php | 38 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Failed to set field name to wZ2aTiB0 | Other | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Failed to set field pass to dd6jjtNumQ | Other | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the Log in button | Other | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the requested form fields at user | Other | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
User wZ2aTiB0 successfully logged in. | User login | EntityDisplayModeTest.php | 39 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
HTTP response expected 200, actual 500 | Browser | EntityDisplayModeTest.php | 41 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
HTTP response expected 404, actual 500 | Browser | EntityDisplayModeTest.php | 44 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Undefined variable: url_target
    Drupal\simpletest\WebTestBase->clickLink('Test render entity')
    Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('202', 'Drupal\entity\Tests\EntityDisplayModeTest')
| Notice | WebTestBase.php | 2108 | Drupal\simpletest\WebTestBase->clickLink() |
Clicked link Test render entity () from http://drupaltestbot1848/checkout/admin/structure/display-modes/view/add | Browser | EntityDisplayModeTest.php | 50 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Failed to set field id to nocfcbhz | Other | EntityDisplayModeTest.php | 55 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Failed to set field label to QX(jO5VQ | Other | EntityDisplayModeTest.php | 55 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the Save button | Other | EntityDisplayModeTest.php | 55 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the requested form fields at | Other | EntityDisplayModeTest.php | 55 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Raw "Saved the <em class="placeholder">QX(jO5VQ</em> view mode." found | Other | EntityDisplayModeTest.php | 56 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Invalid argument supplied for foreach()
    Drupal\simpletest\WebTestBase->drupalPost(NULL, NULL, 'Delete')
    Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('202', 'Drupal\entity\Tests\EntityDisplayModeTest')
| Warning | WebTestBase.php | 1455 | Drupal\simpletest\WebTestBase->drupalPost() |
Found the Delete button | Other | EntityDisplayModeTest.php | 62 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the requested form fields at | Other | EntityDisplayModeTest.php | 62 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Raw "Are you sure you want to delete the <em class="placeholder">QX(jO5VQ</em> view mode?" found | Other | EntityDisplayModeTest.php | 63 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Invalid argument supplied for foreach()
    Drupal\simpletest\WebTestBase->drupalPost(NULL, NULL, 'Delete')
    Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('202', 'Drupal\entity\Tests\EntityDisplayModeTest')
| Warning | WebTestBase.php | 1455 | Drupal\simpletest\WebTestBase->drupalPost() |
Found the Delete button | Other | EntityDisplayModeTest.php | 64 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Found the requested form fields at | Other | EntityDisplayModeTest.php | 64 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
Raw "Deleted the <em class="placeholder">QX(jO5VQ</em> view mode." found | Other | EntityDisplayModeTest.php | 65 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityViewModeUI() |
The test did not complete due to a fatal error. | Completion check | EntityDisplayModeTest.php | 71 | Drupal\entity\Tests\EntityDisplayModeTest->testEntityFormModeUI() |
Drupal\entity\Tests\EntityDisplayTest | 21 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityDisplayTest.php | 91 | Drupal\entity\Tests\EntityDisplayTest->testEntityGetDisplay() |
Drupal\entity\Tests\EntityFormDisplayTest | 9 | 1 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityFormDisplayTest.php | 55 | Drupal\entity\Tests\EntityFormDisplayTest->testFieldComponent() |
PDOException: SQLSTATE[08004] [1040] Too many connections in db_create_table() (line 597 of /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc).
    PDO->__construct('mysql:host=localhost;port=3306;dbname=drupaltestbotmysql', 'drupaltestbot-my', 'SQ3tdtKfpeKO', Array)
    Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    Drupal\Core\Database\Database::openConnection('default', 'default')
    Drupal\Core\Database\Database::getConnection()
    db_create_table('field_data_test_field', Array)
    field_sql_storage_field_storage_create_field(Object)
    call_user_func_array('field_sql_storage_field_storage_create_field', Array)
    Drupal\Core\Extension\ModuleHandler->invoke('field_sql_storage', 'field_storage_create_field', Array)
    Drupal\field\Entity\Field->saveNew()
    Drupal\field\Entity\Field->save()
    Drupal\entity\Tests\EntityFormDisplayTest->testFieldComponent()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('204', 'Drupal\entity\Tests\EntityFormDisplayTest')
| Uncaught exception | Connection.php | 85 | PDO->__construct() |
Drupal\entity_reference\Tests\EntityReferenceAutocompleteTest | 10 | 0 | 0
Drupal\entity_reference\Tests\EntityReferenceAutoCreateTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityReferenceAutoCreateTest.php | 80 | Drupal\entity_reference\Tests\EntityReferenceAutoCreateTest->testAutoCreate() |
Drupal\entity_reference\Tests\EntityReferenceFieldTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityReferenceFieldTest.php | 100 | Drupal\entity_reference\Tests\EntityReferenceFieldTest->testEntityReferenceFieldValidation() |
Drupal\entity_reference\Tests\EntityReferenceSelectionAccessTest | 26 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityReferenceSelectionAccessTest.php | 205 | Drupal\entity_reference\Tests\EntityReferenceSelectionAccessTest->testUserHandler() |
Drupal\field\Tests\ActiveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ActiveTest.php | 30 | Drupal\field\Tests\ActiveTest->testActive() |
Drupal\field\Tests\CrudTest | 19 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CrudTest.php | 162 | Drupal\field\Tests\CrudTest->testCreateFieldWithExplicitSchema() |
Drupal\field\Tests\DisplayApiTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | DisplayApiTest.php | 120 | Drupal\field\Tests\DisplayApiTest->testFieldViewField() |
Drupal\field\Tests\FieldAccessTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldAccessTest.php | 85 | Drupal\field\Tests\FieldAccessTest->testFieldAccess() |
Drupal\field\Tests\FieldAttachStorageTest | 42 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldAttachStorageTest.php | 112 | Drupal\field\Tests\FieldAttachStorageTest->testFieldAttachLoadMultiple() |
Drupal\field\Tests\FieldImportCreateTest | 33 | 0 | 0
Drupal\field\Tests\FieldImportDeleteTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldImportDeleteTest.php | 33 | Drupal\field\Tests\FieldImportDeleteTest->testImportDelete() |
Drupal\field\Tests\FieldInstanceCrudTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldInstanceCrudTest.php | 68 | Drupal\field\Tests\FieldInstanceCrudTest->testCreateFieldInstance() |
Drupal\field\Tests\NestedFormTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | NestedFormTest.php | 54 | Drupal\field\Tests\NestedFormTest->testNestedFieldForm() |
Drupal\field\Tests\reEnableModuleFieldTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | reEnableModuleFieldTest.php | 50 | Drupal\field\Tests\reEnableModuleFieldTest->testReEnabledField() |
Drupal\field\Tests\ShapeItemTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ShapeItemTest.php | 60 | Drupal\field\Tests\ShapeItemTest->testShapeItem() |
Drupal\field\Tests\TranslationWebTest | 12 | 12 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | TranslationWebTest.php | 100 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field name to gBGYg2t5 | Other | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field pass to MjtUawWEgj | Other | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Found the Log in button | Other | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Found the requested form fields at user | Other | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
User gBGYg2t5 successfully logged in. | User login | TranslationWebTest.php | 102 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field user_id to 1 | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field name to uyEePqdH | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field rg9ghrbw_field_name[en][0][value] to 1 | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Failed to set field revision to 1 | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Found the Save button | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Found the requested form fields at entity_test_rev/manage/1/edit | Other | TranslationWebTest.php | 127 | Drupal\field\Tests\TranslationWebTest->testFieldFormTranslationRevisions() |
Drupal\field_sql_storage\Tests\FieldSqlStorageTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FieldSqlStorageTest.php | 93 | Drupal\field_sql_storage\Tests\FieldSqlStorageTest->testFieldAttachLoad() |
Drupal\field_ui\Tests\ManageFieldsTest | 35 | 65 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Failed to set field name to yTKfM3iW | Other | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
Failed to set field pass to zojp3RipiL | Other | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
Found the Log in button | Other | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
Found the requested form fields at user | Other | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
User yTKfM3iW successfully logged in. | User login | FieldUiTestBase.php | 30 | Drupal\field_ui\Tests\FieldUiTestBase->setUp() |
Label table header was found. | Other | ManageFieldsTest.php | 96 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
Machine name table header was found. | Other | ManageFieldsTest.php | 96 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
Field type table header was found. | Other | ManageFieldsTest.php | 96 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
Operations table header was found. | Other | ManageFieldsTest.php | 96 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
"Add new field" was found. | Other | ManageFieldsTest.php | 102 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
"Re-use existing field" was found. | Other | ManageFieldsTest.php | 102 | Drupal\field_ui\Tests\ManageFieldsTest->manageFieldsPage() |
Failed to set field fields[_add_new_field][label] to dM4Z1xlf | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Failed to set field fields[_add_new_field][field_name] to eobd0g0x | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Failed to set field fields[_add_new_field][type] to test_field | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the Save button | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the requested form fields at admin/structure/types/manage/ljfpzfgy_test/fields | Other | FieldUiTestBase.php | 74 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Field settings page was displayed. | Other | FieldUiTestBase.php | 75 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the Save field settings button | Other | FieldUiTestBase.php | 78 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the requested form fields at | Other | FieldUiTestBase.php | 78 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Redirected to instance and widget settings page. | Other | FieldUiTestBase.php | 79 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the Save settings button | Other | FieldUiTestBase.php | 82 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Found the requested form fields at | Other | FieldUiTestBase.php | 82 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Redirected to "Manage fields" page. | Other | FieldUiTestBase.php | 83 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Field was created and appears in the overview page. | Other | FieldUiTestBase.php | 86 | Drupal\field_ui\Tests\FieldUiTestBase->fieldUIAddNewField() |
Existing field was found in taxonomy term fields. | Other | ManageFieldsTest.php | 125 | Drupal\field_ui\Tests\ManageFieldsTest->createField() |
Failed to set field field[settings][test_field_setting] to updated dummy test string | Other | ManageFieldsTest.php | 141 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Found the Save field settings button | Other | ManageFieldsTest.php | 141 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Found the requested form fields at | Other | ManageFieldsTest.php | 141 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Failed to set field instance[settings][test_instance_setting] to updated dummy test string | Other | ManageFieldsTest.php | 148 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Found the Save settings button | Other | ManageFieldsTest.php | 148 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Found the requested form fields at | Other | ManageFieldsTest.php | 148 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Field settings were found. | Other | ManageFieldsTest.php | 151 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Field instance settings were found. | Other | ManageFieldsTest.php | 151 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Current URL is '/checkout/admin/structure/types/manage/ljfpzfgy_test/fields'. | Other | ManageFieldsTest.php | 154 | Drupal\field_ui\Tests\ManageFieldsTest->updateField() |
Drupal\file\Tests\CopyTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CopyTest.php | 25 | Drupal\file\Tests\CopyTest->testNormal() |
Drupal\file\Tests\DownloadTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | DownloadTest.php | 33 | Drupal\file\Tests\DownloadTest->testPublicFileTransfer() |
Drupal\file\Tests\FileFieldDisplayTest | 27 | 19 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldDisplayTest.php | 28 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
User kVpUhDhD successfully logged in. | User login | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field fields[vxocafmk][type] to file_table | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the Save button | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the requested form fields at admin/structure/types/manage/article/display | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Failed to set field fields[vxocafmk][type] to file_url_plain | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the Save button | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the requested form fields at admin/structure/types/manage/article/display | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Failed to set field fields[vxocafmk][type] to hidden | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the Save button | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the requested form fields at admin/structure/types/manage/article/display | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Failed to set field fields[vxocafmk][type] to file_default | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the Save button | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Found the requested form fields at admin/structure/types/manage/article/display | Other | FileFieldDisplayTest.php | 51 | Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay() |
Failed to set field title to mpmNiOsi | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field revision to 1 | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field files[vxocafmk_und_0] to /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/simpletest/601330/text-0.txt | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the Save and keep published button | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the requested form fields at node/2/edit | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load(NULL)
    entity_load('file', NULL, )
    file_load(NULL)
    Drupal\file\Tests\FileFieldDisplayTest->testNodeDisplay()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('278', 'Drupal\file\Tests\FileFieldDisplayTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Drupal\file\Tests\FileFieldRevisionTest | 10 | 11 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldRevisionTest.php | 35 | Drupal\file\Tests\FileFieldRevisionTest->testRevisions() |
Failed to set field name to aFn3bgdJ | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field pass to qdotoQCo4y | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Found the Log in button | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Found the requested form fields at user | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
User aFn3bgdJ successfully logged in. | User login | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field title to rHNBCLej | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field revision to 1 | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field files[nikn9jxw_und_0] to /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/simpletest/967057/text-0.txt | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the Save and keep published button | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the requested form fields at node/1/edit | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load(NULL)
    entity_load('file', NULL, )
    file_load(NULL)
    Drupal\file\Tests\FileFieldRevisionTest->testRevisions()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('280', 'Drupal\file\Tests\FileFieldRevisionTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Drupal\file\Tests\FileFieldRSSContentTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldRSSContentTest.php | 35 | Drupal\file\Tests\FileFieldRSSContentTest->testFileFieldRSSContent() |
Drupal\file\Tests\FileFieldValidateTest | 13 | 15 | 1
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldValidateTest.php | 30 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Failed to set field name to izCX5WMP | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field pass to 4GTtR92hde | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Found the Log in button | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Found the requested form fields at user | Other | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
User izCX5WMP successfully logged in. | User login | FileFieldTestBase.php | 31 | Drupal\file\Tests\FileFieldTestBase->setUp() |
Failed to set field title to qBXR3dCh | Other | FileFieldValidateTest.php | 41 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Found the Save and publish button | Other | FileFieldValidateTest.php | 41 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Found the requested form fields at node/add/article | Other | FileFieldValidateTest.php | 41 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Node save failed when required file field was empty. | Other | FileFieldValidateTest.php | 42 | Drupal\file\Tests\FileFieldValidateTest->testRequired() |
Failed to set field title to rpdh4yRu | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field revision to 1 | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Failed to set field files[i63bgunv_und_0] to /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/simpletest/189822/text-0.txt | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the Save and keep published button | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
Found the requested form fields at node/1/edit | Other | FileFieldTestBase.php | 168 | Drupal\file\Tests\FileFieldTestBase->uploadNodeFile() |
array_flip(): Can only flip STRING and INTEGER values!
    array_flip(Array)
    Drupal\Core\Entity\DatabaseStorageController->loadMultiple(Array)
    Drupal\Core\Entity\DatabaseStorageController->load(NULL)
    entity_load('file', NULL, )
    file_load(NULL)
    Drupal\file\Tests\FileFieldValidateTest->testRequired()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('282', 'Drupal\file\Tests\FileFieldValidateTest')
| Warning | DatabaseStorageController.php | 124 | Drupal\Core\Entity\DatabaseStorageController->loadMultiple() |
Drupal\file\Tests\FileFieldWidgetTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileFieldWidgetTest.php | 35 | Drupal\file\Tests\FileFieldWidgetTest->testSingleValuedWidget() |
Drupal\file\Tests\FileListingTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileListingTest.php | 64 | Drupal\file\Tests\FileListingTest->testFileListingPages() |
Drupal\file\Tests\FileTokenReplaceTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileTokenReplaceTest.php | 27 | Drupal\file\Tests\FileTokenReplaceTest->testFileTokenReplacement() |
Drupal\file\Tests\MoveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MoveTest.php | 25 | Drupal\file\Tests\MoveTest->testNormal() |
Drupal\file\Tests\RemoteFileSaveUploadTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | SaveUploadTest.php | 71 | Drupal\file\Tests\RemoteFileSaveUploadTest->testNormal() |
Drupal\file\Tests\SaveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | SaveTest.php | 24 | Drupal\file\Tests\SaveTest->testFileSave() |
Drupal\file\Tests\SpaceUsedTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | SpaceUsedTest.php | 45 | Drupal\file\Tests\SpaceUsedTest->testFileSpaceUsed() |
Drupal\file\Tests\ValidatorTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ValidatorTest.php | 37 | Drupal\file\Tests\ValidatorTest->testFileValidateExtensions() |
Drupal\filter\Tests\FilterAdminTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FilterAdminTest.php | 54 | Drupal\filter\Tests\FilterAdminTest->testFormatAdmin() |
Drupal\filter\Tests\FilterCrudTest | 150 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FilterCrudTest.php | 35 | Drupal\filter\Tests\FilterCrudTest->testTextFormatCrud() |
Drupal\filter\Tests\FilterHooksTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FilterHooksTest.php | 39 | Drupal\filter\Tests\FilterHooksTest->testFilterHooks() |
Drupal\filter\Tests\FilterSecurityTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FilterSecurityTest.php | 72 | Drupal\filter\Tests\FilterSecurityTest->testDisableFilterModule() |
Drupal\forum\Tests\ForumIndexTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ForumIndexTest.php | 44 | Drupal\forum\Tests\ForumIndexTest->testForumIndexStatus() |
Drupal\forum\Tests\ForumTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ForumTest.php | 112 | Drupal\forum\Tests\ForumTest->testEnableForumField() |
Drupal\hal\Tests\DenormalizeTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | DenormalizeTest.php | 28 | Drupal\hal\Tests\DenormalizeTest->testTypeHandling() |
Drupal\image\Tests\FileMoveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileMoveTest.php | 35 | Drupal\image\Tests\FileMoveTest->testNormal() |
Drupal\image\Tests\ImageEffectsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ImageEffectsTest.php | 48 | Drupal\image\Tests\ImageEffectsTest->testResizeEffect() |
Drupal\image\Tests\ImageFieldDisplayTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ImageFieldDisplayTest.php | 35 | Drupal\image\Tests\ImageFieldDisplayTest->testImageFieldFormattersPublic() |
Drupal\image\Tests\ImageItemTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ImageItemTest.php | 72 | Drupal\image\Tests\ImageItemTest->testImageItem() |
Drupal\image\Tests\ImageThemeFunctionTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ImageThemeFunctionTest.php | 35 | Drupal\image\Tests\ImageThemeFunctionTest->testImageFormatterTheme() |
Drupal\language\Tests\Condition\LanguageConditionTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageConditionTest.php | 73 | Drupal\language\Tests\Condition\LanguageConditionTest->testConditions() |
Drupal\language\Tests\LanguageBrowserDetectionUnitTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageBrowserDetectionUnitTest.php | 33 | Drupal\language\Tests\LanguageBrowserDetectionUnitTest->testLanguageFromBrowser() |
Drupal\language\Tests\LanguageCustomLanguageConfigurationTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageCustomLanguageConfigurationTest.php | 36 | Drupal\language\Tests\LanguageCustomLanguageConfigurationTest->testLanguageConfiguration() |
Drupal\language\Tests\LanguageListTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageListTest.php | 36 | Drupal\language\Tests\LanguageListTest->testLanguageList() |
Drupal\language\Tests\LanguagePathMonolingualTest | 18 | 20 | 1
Drupal\language\Tests\LanguageSwitchingTest | 12 | 15 | 4
Drupal\language\Tests\LanguageUILanguageNegotiationTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageUILanguageNegotiationTest.php | 75 | Drupal\language\Tests\LanguageUILanguageNegotiationTest->testUILanguageNegotiation() |
Drupal\language\Tests\LanguageUrlRewritingTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LanguageUrlRewritingTest.php | 56 | Drupal\language\Tests\LanguageUrlRewritingTest->testUrlRewritingEdgeCases() |
Drupal\language\Tests\Views\ArgumentLanguageTest | 8 | 0 | 0
Drupal\layout\Tests\DisplayInternalLogicTest | 4 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | DisplayInternalLogicTest.php | 83 | Drupal\layout\Tests\DisplayInternalLogicTest->testBlockMapping() |
Drupal\layout\Tests\LayoutDerivativesTest | 17 | 1 | 0
Drupal\link\Tests\LinkFieldUITest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LinkFieldUITest.php | 42 | Drupal\link\Tests\LinkFieldUITest->testFieldUI() |
Drupal\locale\Tests\LocaleConfigTranslationTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LocaleConfigTranslationTest.php | 43 | Drupal\locale\Tests\LocaleConfigTranslationTest->testConfigTranslation() |
Drupal\locale\Tests\LocaleExportTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LocaleExportTest.php | 51 | Drupal\locale\Tests\LocaleExportTest->testExportTranslation() |
Drupal\locale\Tests\LocaleJavascriptTranslation | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LocaleJavascriptTranslation.php | 33 | Drupal\locale\Tests\LocaleJavascriptTranslation->testFileParsing() |
Drupal\locale\Tests\LocalePathTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LocalePathTest.php | 43 | Drupal\locale\Tests\LocalePathTest->testPathLanguageConfiguration() |
Drupal\locale\Tests\LocaleStringTest | 15 | 1 | 0
Drupal\locale\Tests\LocaleTranslationTest | 1 | 0 | 0
Drupal\locale\Tests\LocaleTranslationUiTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LocaleTranslationUiTest.php | 37 | Drupal\locale\Tests\LocaleTranslationUiTest->testEnglishTranslation() |
Drupal\locale\Tests\LocaleUninstallFrenchTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LocaleUninstallTest.php | 51 | Drupal\locale\Tests\LocaleUninstallFrenchTest->testUninstallProcess() |
Drupal\locale\Tests\LocaleUpdateCronTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | LocaleUpdateCronTest.php | 42 | Drupal\locale\Tests\LocaleUpdateCronTest->testUpdateCron() |
Drupal\locale\Tests\LocaleUpdateTest | 30 | 10 | 0
Drupal\menu\Tests\MenuLanguageTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MenuLanguageTest.php | 55 | Drupal\menu\Tests\MenuLanguageTest->testMenuLanguage() |
Drupal\menu_link\Tests\Plugin\Core\Entity\MenuLinkTest | 1 | 0 | 0
Drupal\node\Tests\Config\NodeImportCreateTest | 1 | 1 | 0
Drupal\node\Tests\NodeAccessFieldTest | 0 | 1 | 0
Drupal\node\Tests\NodeAccessLanguageAwareTest | 0 | 1 | 0
Drupal\node\Tests\NodeAccessRebuildTest | 0 | 1 | 0
Drupal\node\Tests\NodeAdminTest | 0 | 1 | 0
Drupal\node\Tests\NodeBuildContentTest | 0 | 1 | 0
Drupal\node\Tests\NodeEntityViewModeAlterTest | 0 | 1 | 0
Drupal\node\Tests\NodeLoadHooksTest | 7 | 0 | 0
Drupal\node\Tests\NodeLoadMultipleTest | 0 | 1 | 0
Drupal\node\Tests\NodeSyndicateBlockTest | 0 | 1 | 0
Drupal\node\Tests\NodeTitleTest | 20 | 1 | 1
Drupal\node\Tests\NodeTitleXSSTest | 17 | 9 | 0
Drupal\node\Tests\NodeTokenReplaceTest | 0 | 1 | 0
Drupal\node\Tests\NodeTypePersistenceTest | 0 | 1 | 0
Drupal\node\Tests\NodeValidationTest | 1 | 1 | 0
Drupal\node\Tests\PageViewTest | 0 | 1 | 0
Drupal\node\Tests\Plugin\views\field\NodeBulkFormTest | 1 | 0 | 0
Drupal\number\Tests\NumberItemTest | 22 | 0 | 0
Drupal\options\Tests\OptionsFieldTest | 20 | 0 | 0
Drupal\options\Tests\OptionsFormattersTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | OptionsFormattersTest.php | 36 | Drupal\options\Tests\OptionsFormattersTest->testFormatter() |
Drupal\overlay\Tests\OverlayCloseTest | 10 | 11 | 0
Drupal\path\Tests\PathLanguageTest | 0 | 1 | 0
Drupal\php\Tests\PhpAccessTest | 0 | 1 | 0
Drupal\picture\Tests\PictureAdminUITest | 0 | 1 | 0
Drupal\rdf\Tests\GetNamespacesTest | 0 | 1 | 0
Drupal\rdf\Tests\ImageFieldAttributesTest | 0 | 1 | 0
Drupal\rdf\Tests\NodeAttributesTest | 0 | 1 | 0
Drupal\rdf\Tests\RdfaAttributesTest | 4 | 1 | 0
Drupal\rdf\Tests\RdfMappingUpgradePathTest | 0 | 1 | 0
Drupal\rdf\Tests\StandardProfileTest | 77 | 0 | 0
Drupal\rdf\Tests\TaxonomyTermFieldAttributesTest | 0 | 1 | 0
Drupal\rest\Tests\AuthTest | 0 | 1 | 0
Drupal\rest\Tests\CollectRoutesTest | 1 | 0 | 0
Drupal\rest\Tests\DBLogTest | 0 | 1 | 0
Drupal\rest\Tests\NodeTest | 0 | 1 | 0
Drupal\rest\Tests\UpdateTest | 0 | 1 | 0
Drupal\search\Tests\SearchCommentCountToggleTest | 0 | 1 | 0
Drupal\search\Tests\SearchConfigSettingsFormTest | 0 | 1 | 0
Drupal\search\Tests\SearchExcerptTest | 0 | 1 | 0
Drupal\search\Tests\SearchLanguageTest | 0 | 1 | 0
Drupal\search\Tests\SearchMultilingualEntityTest | 0 | 1 | 0
Drupal\search\Tests\SearchNumberMatchingTest | 0 | 1 | 0
Drupal\search\Tests\SearchPageOverrideTest | 0 | 1 | 0
Drupal\search\Tests\SearchPreprocessLangcodeTest | 10 | 10 | 0
Drupal\search\Tests\SearchRankingTest | 0 | 1 | 0
Drupal\search\Tests\SearchSimplifyTest | 0 | 1 | 0
Drupal\serialization\Tests\EntityResolverTest | 1 | 1 | 0
Drupal\simpletest\Tests\DrupalUnitTestBaseTest | 4 | 1 | 1
Drupal\simpletest\Tests\InstallationProfileModuleTestsTest | 8 | 10 | 0
Drupal\simpletest\Tests\MailCaptureTest | 12 | 0 | 0
Drupal\simpletest\Tests\MissingCheckedRequirementsTest | 0 | 1 | 0
Drupal\simpletest\Tests\PhpUnitAutoloaderTest | 1 | 0 | 0
Drupal\simpletest\Tests\PhpUnitErrorTest | 1 | 0 | 0
Drupal\simpletest\Tests\UserHelpersTest | 0 | 1 | 0
Drupal\statistics\Tests\StatisticsLoggingTest | 0 | 1 | 0
Drupal\statistics\Tests\StatisticsTokenReplaceTest | 0 | 1 | 0
Drupal\system\Tests\Action\ActionUnitTest | 11 | 0 | 0
Drupal\system\Tests\Ajax\AjaxCommandsUnitTest | 2 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AjaxCommandsUnitTest.php | 51 | Drupal\system\Tests\Ajax\AjaxCommandsUnitTest->testAddCssCommand() |
Drupal\system\Tests\Ajax\ElementValidationTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ElementValidationTest.php | 30 | Drupal\system\Tests\Ajax\ElementValidationTest->testAjaxElementValidation() |
Drupal\system\Tests\Ajax\FrameworkTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FrameworkTest.php | 32 | Drupal\system\Tests\Ajax\FrameworkTest->testAJAXRender() |
Drupal\system\Tests\Authentication\HttpBasicTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | HttpBasicTest.php | 37 | Drupal\system\Tests\Authentication\HttpBasicTest->testHttpBasic() |
Drupal\system\Tests\Batch\PageTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | PageTest.php | 35 | Drupal\system\Tests\Batch\PageTest->testBatchProgressPageTheme() |
Drupal\system\Tests\Bootstrap\MiscUnitTest | 4 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MiscUnitTest.php | 28 | Drupal\system\Tests\Bootstrap\MiscUnitTest->testCheckMemoryLimit() |
Drupal\system\Tests\Bootstrap\PageCacheTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | PageCacheTest.php | 47 | Drupal\system\Tests\Bootstrap\PageCacheTest->testAcceptHeaderRequests() |
Drupal\system\Tests\Cache\ClearTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ClearTest.php | 35 | Drupal\system\Tests\Cache\ClearTest->testFlushAllCaches() |
Drupal\system\Tests\Cache\MemoryBackendUnitTest | 18 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | GenericCacheBackendUnitTestBase.php | 136 | Drupal\system\Tests\Cache\MemoryBackendUnitTest->testSetGet() |
Drupal\system\Tests\Common\CascadingStylesheetsTest | 2 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CascadingStylesheetsTest.php | 42 | Drupal\system\Tests\Common\CascadingStylesheetsTest->testDefault() |
Drupal\system\Tests\Common\HtmlTagTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | HtmlTagTest.php | 27 | Drupal\system\Tests\Common\HtmlTagTest->testHtmlTag() |
Drupal\system\Tests\Common\ParseInfoFileUnitTest | 3 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ParseInfoFileUnitTest.php | 27 | Drupal\system\Tests\Common\ParseInfoFileUnitTest->testParseInfoFile() |
Drupal\system\Tests\Common\RenderTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | RenderTest.php | 35 | Drupal\system\Tests\Common\RenderTest->testDrupalRenderBasics() |
Drupal\system\Tests\Common\SizeUnitTest | 14 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
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--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | SizeUnitTest.php | 53 | Drupal\system\Tests\Common\SizeUnitTest->testCommonFormatSize() |
Drupal\system\Tests\Common\TableSortExtenderUnitTest | 6 | 1 | 0
Drupal\system\Tests\Common\UrlTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
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--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UrlTest.php | 36 | Drupal\system\Tests\Common\UrlTest->testLinkXSS() |
Drupal\system\Tests\Common\WriteRecordTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | WriteRecordTest.php | 36 | Drupal\system\Tests\Common\WriteRecordTest->testDrupalWriteRecord() |
Drupal\system\Tests\Condition\ConditionFormTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConditionFormTest.php | 34 | Drupal\system\Tests\Condition\ConditionFormTest->testConfigForm() |
Drupal\system\Tests\Database\BasicSyntaxTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | BasicSyntaxTest.php | 29 | Drupal\system\Tests\Database\BasicSyntaxTest->testBasicConcat() |
Drupal\system\Tests\Database\ConnectionUnitTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | ConnectionUnitTest.php | 110 | Drupal\system\Tests\Database\ConnectionUnitTest->testOpenClose() |
Drupal\system\Tests\Database\DeleteTruncateTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | DeleteTruncateTest.php | 34 | Drupal\system\Tests\Database\DeleteTruncateTest->testSubselectDelete() |
Drupal\system\Tests\Database\InsertLobTest | 7 | 0 | 0
Drupal\system\Tests\Database\InvalidDataTest | 4 | 0 | 0
Drupal\system\Tests\Database\MergeTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | MergeTest.php | 29 | Drupal\system\Tests\Database\MergeTest->testMergeInsert() |
Drupal\system\Tests\Database\SchemaTest | 0 | 1 | 1
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | SchemaTest.php | 36 | Drupal\system\Tests\Database\SchemaTest->testSchema() |
PDOException: SQLSTATE[08004] [1040] Too many connections in db_create_table() (line 597 of /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc).
    PDO->__construct('mysql:host=localhost;port=3306;dbname=drupaltestbotmysql', 'drupaltestbot-my', 'SQ3tdtKfpeKO', Array)
    Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    Drupal\Core\Database\Database::openConnection('default', 'default')
    Drupal\Core\Database\Database::getConnection()
    db_create_table('test_table', Array)
    Drupal\system\Tests\Database\SchemaTest->testSchema()
    Drupal\simpletest\TestBase->run()
    simpletest_script_run_one_test('176', 'Drupal\system\Tests\Database\SchemaTest')
| Uncaught exception | Connection.php | 85 | PDO->__construct() |
Drupal\system\Tests\Database\SelectSubqueryTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | SelectSubqueryTest.php | 26 | Drupal\system\Tests\Database\SelectSubqueryTest->testFromSubquerySelect() |
Drupal\system\Tests\Database\TransactionTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | TransactionTest.php | 162 | Drupal\system\Tests\Database\TransactionTest->testTransactionRollBackSupported() |
Drupal\system\Tests\DrupalKernel\DrupalKernelTest | 9 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | DrupalKernelTest.php | 120 | Drupal\system\Tests\DrupalKernel\DrupalKernelTest->testSerialization() |
Drupal\system\Tests\DrupalKernel\ServiceDestructionTest | 8 | 0 | 0
Drupal\system\Tests\Entity\EntityAccessTest | 17 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityAccessTest.php | 91 | Drupal\system\Tests\Entity\EntityAccessTest->testEntityAccessDefaultController() |
Drupal\system\Tests\Entity\EntityApiInfoTest | 4 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityApiInfoTest.php | 53 | Drupal\system\Tests\Entity\EntityApiInfoTest->testEntityInfoCacheWatchdog() |
Drupal\system\Tests\Entity\EntityCrudHookTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityCrudHookTest.php | 79 | Drupal\system\Tests\Entity\EntityCrudHookTest->testBlockHooks() |
Drupal\system\Tests\Entity\EntityFieldTest | 362 | 1 | 0
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityFieldTest.php | 306 | Drupal\system\Tests\Entity\EntityFieldTest->testSave() |
Drupal\system\Tests\Entity\EntityFormTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityFormTest.php | 42 | Drupal\system\Tests\Entity\EntityFormTest->testFormCRUD() |
Drupal\system\Tests\Entity\EntityLabelTest | 8 | 0 | 0
Drupal\system\Tests\Entity\EntityManagerTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityManagerTest.php | 28 | Drupal\system\Tests\Entity\EntityManagerTest->testMethods() |
Drupal\system\Tests\Entity\EntityQueryAggregateTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityQueryAggregateTest.php | 131 | Drupal\system\Tests\Entity\EntityQueryAggregateTest->testAggregation() |
Drupal\system\Tests\Entity\EntityQueryRelationshipTest | 23 | 0 | 0
Drupal\system\Tests\Entity\EntityQueryTest | 24 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityQueryTest.php | 294 | Drupal\system\Tests\Entity\EntityQueryTest->testSort() |
Drupal\system\Tests\Entity\EntityRevisionsTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | EntityRevisionsTest.php | 48 | Drupal\system\Tests\Entity\EntityRevisionsTest->testRevisions() |
Drupal\system\Tests\Entity\EntityTranslationTest | 1 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityTranslationTest.php | 94 | Drupal\system\Tests\Entity\EntityTranslationTest->testEntityLanguageMethods() |
Drupal\system\Tests\Entity\EntityViewControllerTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | EntityViewControllerTest.php | 56 | Drupal\system\Tests\Entity\EntityViewControllerTest->testEntityViewController() |
Drupal\system\Tests\File\MimeTypeTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
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Message | Group | Filename | Line | Function | Status
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The test did not complete due to a fatal error. | Completion check | MimeTypeTest.php | 35 | Drupal\system\Tests\File\MimeTypeTest->testFileMimeTypeDetection() |
Drupal\system\Tests\File\ReadOnlyStreamWrapperTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ReadOnlyStreamWrapperTest.php | 46 | Drupal\system\Tests\File\ReadOnlyStreamWrapperTest->testWriteFunctions() |
Drupal\system\Tests\File\RemoteFileScanDirectoryTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ScanDirectoryTest.php | 38 | Drupal\system\Tests\File\RemoteFileScanDirectoryTest->testReturn() |
Drupal\system\Tests\File\RemoteFileUnmanagedDeleteRecursiveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
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--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UnmanagedDeleteRecursiveTest.php | 25 | Drupal\system\Tests\File\RemoteFileUnmanagedDeleteRecursiveTest->testSingleFile() |
Drupal\system\Tests\File\RemoteFileUnmanagedMoveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UnmanagedMoveTest.php | 25 | Drupal\system\Tests\File\RemoteFileUnmanagedMoveTest->testNormal() |
Drupal\system\Tests\File\StreamWrapperTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | StreamWrapperTest.php | 49 | Drupal\system\Tests\File\StreamWrapperTest->testGetClassName() |
Drupal\system\Tests\File\UnmanagedDeleteRecursiveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UnmanagedDeleteRecursiveTest.php | 25 | Drupal\system\Tests\File\UnmanagedDeleteRecursiveTest->testSingleFile() |
Drupal\system\Tests\File\UnmanagedMoveTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | UnmanagedMoveTest.php | 25 | Drupal\system\Tests\File\UnmanagedMoveTest->testNormal() |
Drupal\system\Tests\Form\AlterTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | AlterTest.php | 35 | Drupal\system\Tests\Form\AlterTest->testExecutionOrder() |
Drupal\system\Tests\Form\ArbitraryRebuildTest | 3 | 8 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Failed to set field name to foo | Other | ArbitraryRebuildTest.php | 64 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Failed to set field mail to bar@example.com | Other | ArbitraryRebuildTest.php | 64 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Found the Rebuild button | Other | ArbitraryRebuildTest.php | 64 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Found the requested form fields at user/register | Other | ArbitraryRebuildTest.php | 64 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
"Form rebuilt." found | Other | ArbitraryRebuildTest.php | 65 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Entered user name has been kept. | Browser | ArbitraryRebuildTest.php | 66 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
Entered mail address has been kept. | Browser | ArbitraryRebuildTest.php | 67 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationRebuild() |
The test did not complete due to a fatal error. | Completion check | ArbitraryRebuildTest.php | 73 | Drupal\system\Tests\Form\ArbitraryRebuildTest->testUserRegistrationMultipleField() |
Drupal\system\Tests\Form\CheckboxTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | CheckboxTest.php | 32 | Drupal\system\Tests\Form\CheckboxTest->testFormCheckbox() |
Drupal\system\Tests\Form\ConfirmFormTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ConfirmFormTest.php | 32 | Drupal\system\Tests\Form\ConfirmFormTest->testConfirmForm() |
Drupal\system\Tests\Form\ElementsTableSelectTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ElementsTableSelectTest.php | 35 | Drupal\system\Tests\Form\ElementsTableSelectTest->testMultipleTrue() |
Drupal\system\Tests\Form\ElementTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ElementTest.php | 35 | Drupal\system\Tests\Form\ElementTest->testPlaceHolderText() |
Drupal\system\Tests\Form\FileInclusionTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FileInclusionTest.php | 35 | Drupal\system\Tests\Form\FileInclusionTest->testLoadMenuInclude() |
Drupal\system\Tests\Form\FormObjectTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | FormObjectTest.php | 51 | Drupal\system\Tests\Form\FormObjectTest->testObjectFormCallback() |
Drupal\system\Tests\Form\HTMLIdTest | 5 | 2 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Found the Save button | Other | HTMLIdTest.php | 41 | Drupal\system\Tests\Form\HTMLIdTest->testHTMLId() |
Found the requested form fields at | Other | HTMLIdTest.php | 41 | Drupal\system\Tests\Form\HTMLIdTest->testHTMLId() |
Drupal\system\Tests\Form\ProgrammaticTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | ProgrammaticTest.php | 35 | Drupal\system\Tests\Form\ProgrammaticTest->testSubmissionWorkflow() |
Drupal\system\Tests\Form\RedirectTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | RedirectTest.php | 35 | Drupal\system\Tests\Form\RedirectTest->testRedirect() |
Drupal\system\Tests\Form\StateValuesCleanTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | StateValuesCleanTest.php | 35 | Drupal\system\Tests\Form\StateValuesCleanTest->testFormStateValuesClean() |
Drupal\system\Tests\Form\WrapperTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | WrapperTest.php | 35 | Drupal\system\Tests\Form\WrapperTest->testWrapperCallback() |
Drupal\system\Tests\InstallerTest | 2 | 3 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | InstallerTest.php | 151 | Drupal\system\Tests\InstallerTest->testInstaller() |
Found the Save and continue button | Other | InstallerTest.php | 82 | Drupal\system\Tests\InstallerTest->setUp() |
Found the requested form fields at | Other | InstallerTest.php | 82 | Drupal\system\Tests\InstallerTest->setUp() |
Drupal\system\Tests\KeyValueStore\DatabaseStorageTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | StorageTestBase.php | 73 | Drupal\system\Tests\KeyValueStore\DatabaseStorageTest->testCRUD() |
Drupal\system\Tests\Lock\LockFunctionalTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LockFunctionalTest.php | 35 | Drupal\system\Tests\Lock\LockFunctionalTest->testLockAcquire() |
Drupal\system\Tests\Mail\HtmlToTextTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | HtmlToTextTest.php | 75 | Drupal\system\Tests\Mail\HtmlToTextTest->testTags() |
Drupal\system\Tests\Menu\BreadcrumbTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | BreadcrumbTest.php | 59 | Drupal\system\Tests\Menu\BreadcrumbTest->testBreadCrumbs() |
Drupal\system\Tests\Menu\LocalActionTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | LocalActionTest.php | 36 | Drupal\system\Tests\Menu\LocalActionTest->testLocalAction() |
Drupal\system\Tests\Menu\MenuRouterTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | MenuRouterTest.php | 74 | Drupal\system\Tests\Menu\MenuRouterTest->testHookMenuIntegration() |
Drupal\system\Tests\Menu\RebuildTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | RebuildTest.php | 27 | Drupal\system\Tests\Menu\RebuildTest->testMenuRebuildByVariable() |
Drupal\system\Tests\Menu\TreeAccessTest | 3 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | TreeAccessTest.php | 90 | Drupal\system\Tests\Menu\TreeAccessTest->testRouteItemMenuLinksAccess() |
Drupal\system\Tests\Module\ClassLoaderTest | 6 | 1 | 0
Drupal\system\Tests\Module\EnableDisableTest | 0 | 1 | 0
Drupal\system\Tests\Module\HookRequirementsTest | 0 | 1 | 0
Drupal\system\Tests\Module\ModuleApiTest | 0 | 1 | 0
Drupal\system\Tests\Module\RequiredTest | 0 | 1 | 0
Drupal\system\Tests\Module\VersionTest | 0 | 1 | 0
Drupal\system\Tests\Pager\PagerTest | 0 | 1 | 0
Drupal\system\Tests\Path\AliasTest | 1 | 1 | 1
Drupal\system\Tests\Plugin\AlterDecoratorTest | 0 | 1 | 0
Drupal\system\Tests\Plugin\CacheDecoratorTest | 5 | 1 | 0
Drupal\system\Tests\Plugin\DerivativeTest | 12 | 1 | 0
Drupal\system\Tests\Plugin\Discovery\CustomAnnotationClassDiscoveryTest | 5 | 1 | 0
Drupal\system\Tests\Plugin\Discovery\StaticDiscoveryTest | 6 | 1 | 0
Drupal\system\Tests\Routing\MatcherDumperTest | 0 | 1 | 1
Drupal\system\Tests\Routing\RouteProviderTest | 0 | 1 | 1
Drupal\system\Tests\Routing\RouterTest | 0 | 1 | 0
Drupal\system\Tests\ServiceProvider\ServiceProviderTest | 0 | 1 | 0
Drupal\system\Tests\System\AdminMetaTagTest | 0 | 1 | 0
Drupal\system\Tests\System\CronRunTest | 0 | 1 | 0
Drupal\system\Tests\System\DateFormatsLockedTest | 0 | 1 | 0
Drupal\system\Tests\System\DefaultMobileMetaTagsTest | 0 | 1 | 0
Drupal\system\Tests\System\ExceptionControllerTest | 2 | 1 | 0
Drupal\system\Tests\System\FrontPageTest | 0 | 1 | 0
Drupal\system\Tests\System\IndexPhpTest | 0 | 1 | 0
Drupal\system\Tests\System\MainContentFallbackTest | 0 | 1 | 0
Drupal\system\Tests\System\PageTitleTest | 0 | 1 | 0
Drupal\system\Tests\System\RetrieveFileTest | 0 | 1 | 0
Drupal\system\Tests\System\ShutdownFunctionsTest | 0 | 1 | 0
Drupal\system\Tests\System\SystemAuthorizeTest | 0 | 1 | 0
Drupal\system\Tests\Theme\ThemeTestPhpTemplate | 0 | 1 | 0
Drupal\system\Tests\Theme\ThemeTestTwig | 0 | 1 | 0
Drupal\system\Tests\Theme\TwigDebugMarkupTest | 0 | 1 | 0
Drupal\system\Tests\Theme\TwigExtensionTest | 0 | 1 | 0
Drupal\system\Tests\Theme\TwigSettingsTest | 0 | 1 | 0
Drupal\system\Tests\Theme\TwigTransTest | 0 | 1 | 0
Drupal\system\Tests\Transliteration\TransliterationTest | 31 | 1 | 0
Drupal\system\Tests\TypedData\TypedDataTest | 1 | 1 | 0
Drupal\system\Tests\Update\DependencyMissingTest | 4 | 0 | 0
Drupal\system\Tests\Update\DependencyOrderingTest | 0 | 1 | 0
Drupal\system\Tests\Update\UpdateScriptTest | 152 | 38 | 9
Drupal\system\Tests\Upgrade\BareMinimalAnonymousUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\BareStandardUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\DateUpgradePathTest | 4 | 1 | 2
Drupal\system\Tests\Upgrade\FieldUIUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\FilledMinimalUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\FilterFormatUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\LanguageUpgradePathTest | 8 | 3 | 3
Drupal\system\Tests\Upgrade\ModuleNameLengthUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\ShortcutUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\SystemUpgradePathTest | 0 | 1 | 0
Drupal\system\Tests\Upgrade\UserRoleUpgradePathTest | 0 | 1 | 0
Drupal\telephone\Tests\TelephoneFieldTest | 0 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | TelephoneFieldTest.php | 53 | Drupal\telephone\Tests\TelephoneFieldTest->testTelephoneField() |
Drupal\Tests\block\BlockBaseTest | 1 | 0 | 0
Drupal\Tests\block\BlockFormControllerTest | 1 | 0 | 0
Drupal\Tests\Component\Datetime\DateTimePlusTest | 1 | 0 | 0
Drupal\Tests\Component\Discovery\YamlDiscoveryTest | 1 | 0 | 0
Drupal\Tests\Component\Graph\GraphTest | 1 | 0 | 0
Drupal\Tests\Component\PhpStorage\FileStorageTest | 2 | 0 | 0
Drupal\Tests\Component\PhpStorage\MTimeProtectedFastFileStorageTest | 2 | 0 | 0
Drupal\Tests\Component\Utility\CryptTest | 1 | 0 | 0
Drupal\Tests\Component\Utility\JsonTest | 5 | 0 | 0
Drupal\Tests\Component\Utility\RandomTest | 7 | 0 | 0
Drupal\Tests\Component\Utility\SettingsTest | 3 | 0 | 0
Drupal\Tests\Component\Utility\StringTest | 1 | 0 | 0
Drupal\Tests\Component\Utility\TimerTest | 1 | 0 | 0
Drupal\Tests\Component\Utility\XssTest | 2 | 0 | 0
Drupal\Tests\Core\Access\AccessManagerTest | 6 | 0 | 0
Drupal\Tests\Core\Access\CsrfTokenGeneratorTest | 2 | 0 | 0
Drupal\Tests\Core\Access\DefaultAccessCheckTest | 2 | 0 | 0
Drupal\Tests\Core\Asset\CssCollectionGrouperUnitTest | 1 | 0 | 0
Drupal\Tests\Core\Asset\CssCollectionRendererUnitTest | 2 | 0 | 0
Drupal\Tests\Core\Asset\CssOptimizerUnitTest | 3 | 0 | 0
Drupal\Tests\Core\Cache\BackendChainImplementationUnitTest | 9 | 0 | 0
Drupal\Tests\Core\Cache\CacheCollectorTest | 14 | 0 | 0
Drupal\Tests\Core\Cache\NullBackendTest | 1 | 0 | 0
Drupal\Tests\Core\Common\AttributesTest | 1 | 0 | 0
Drupal\Tests\Core\Common\DiffArrayTest | 1 | 0 | 0
Drupal\Tests\Core\Common\RenderWrapperTest | 1 | 0 | 0
Drupal\Tests\Core\Common\TagsTest | 1 | 0 | 0
Drupal\Tests\Core\Config\CachedStorageTest | 4 | 0 | 0
Drupal\Tests\Core\Controller\ControllerResolverTest | 1 | 0 | 0
Drupal\Tests\Core\Database\EmptyStatementTest | 3 | 0 | 0
Drupal\Tests\Core\Entity\Enhancer\EntityRouteEnhancerTest | 1 | 0 | 0
Drupal\Tests\Core\Entity\EntityAccessCheckTest | 2 | 0 | 0
Drupal\Tests\Core\Entity\EntityCreateAccessCheckTest | 1 | 0 | 0
Drupal\Tests\Core\EventSubscriber\ReverseProxySubscriberUnitTest | 2 | 0 | 0
Drupal\Tests\Core\Extension\ModuleHandlerUnitTest | 1 | 0 | 0
Drupal\Tests\Core\HttpKernelTest | 1 | 0 | 0
Drupal\Tests\Core\Image\ImageTest | 27 | 0 | 0
Drupal\Tests\Core\Menu\LocalTaskManagerTest | 3 | 0 | 0
Drupal\Tests\Core\NestedArrayTest | 6 | 0 | 0
Drupal\Tests\Core\ParamConverter\ParamConverterManagerTest | 1 | 0 | 0
Drupal\Tests\Core\PathProcessor\PathProcessorTest | 1 | 0 | 0
Drupal\Tests\Core\Plugin\DefaultPluginManagerTest | 5 | 0 | 0
Drupal\Tests\Core\Plugin\Discovery\ContainerDerivativeDiscoveryDecoratorTest | 1 | 0 | 0
Drupal\Tests\Core\PrivateKeyTest | 3 | 0 | 0
Drupal\Tests\Core\Routing\RouteCompilerTest | 2 | 0 | 0
Drupal\Tests\Core\Routing\UrlGeneratorTest | 7 | 0 | 0
Drupal\text\Tests\Formatter\TextPlainUnitTest | 2 | 1 | 0
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
Message | Group | Filename | Line | Function | Status
--- | --- | --- | --- | --- | ---
The test did not complete due to a fatal error. | Completion check | TextPlainUnitTest.php | 295 | Drupal\text\Tests\Formatter\TextPlainUnitTest->testPlainText() |
Drupal\toolbar\Tests\ToolbarHookToolbarTest | 0 | 1 | 0
Drupal\tour\Tests\TourPluginTest | 2 | 0 | 0
Drupal\tracker\Tests\TrackerTest | 0 | 1 | 0
Drupal\translation\Tests\TranslationTest | 0 | 1 | 0
Drupal\update\Tests\UpdateCoreTest | 10 | 9 | 0
Drupal\update\Tests\UpdateCoreUnitTest | 4 | 1 | 0
Drupal\update\Tests\UpdateUploadTest | 18 | 17 | 0
Drupal\user\Tests\Plugin\Action\AddRoleUserTest | 2 | 0 | 0
Drupal\user\Tests\Plugin\Action\RemoveRoleUserTest | 2 | 0 | 0
Drupal\user\Tests\Plugin\views\field\UserBulkFormTest | 1 | 0 | 0
Drupal\user\Tests\UserSaveTest | 0 | 1 | 0
Drupal\user\Tests\UserTimeZoneTest | 0 | 1 | 0
Drupal\user\Tests\Views\Argument\RolesRidTest | 1 | 0 | 0
Drupal\user\Tests\Views\HandlerFieldUserNameTest | 0 | 1 | 0
Drupal\user\Tests\Views\HandlerFilterPermissionTest | 1 | 1 | 0
Drupal\user\Tests\Views\HandlerFilterUserNameTest | 50 | 0 | 0
Drupal\views\Tests\Entity\FieldEntityTest | 0 | 1 | 0
Drupal\views\Tests\GlossaryTest | 0 | 1 | 0
Drupal\views\Tests\Handler\AreaEntityTest | 0 | 1 | 0
Drupal\views\Tests\Handler\AreaTest | 0 | 1 | 0
Drupal\views\Tests\Handler\AreaTitleTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FieldCounterTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FieldUnitTest | 27 | 1 | 0
Drupal\views\Tests\Handler\FieldUrlTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FilterBooleanOperatorTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FilterCombineTest | 5 | 0 | 0
Drupal\views\Tests\Handler\FilterEqualityTest | 1 | 1 | 0
Drupal\views\Tests\Handler\FilterStringTest | 1 | 1 | 0
Drupal\views\Tests\Handler\SortTest | 1 | 1 | 0
Drupal\views\Tests\PluginTypeListTest | 1 | 0 | 0
Drupal\views\Tests\Plugin\AccessTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\argument_default\RawTest | 1 | 0 | 0
Drupal\views\Tests\Plugin\Block\ViewsBlockTest | 2 | 0 | 0
Drupal\views\Tests\Plugin\CacheTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\DisplayPageTest | 1 | 1 | 0
Drupal\views\Tests\Plugin\FilterTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\MiniPagerTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\QueryTest | 1 | 1 | 0
Drupal\views\Tests\Plugin\StyleTableTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\StyleTest | 0 | 1 | 0
Drupal\views\Tests\Plugin\ViewsBlockTest | 1 | 1 | 0
Drupal\views\Tests\ViewExecutableTest | 1 | 1 | 0
Drupal\views\Tests\ViewExecutableUnitTest | 1 | 0 | 0
Drupal\views\Tests\ViewsDataHelperTest | 1 | 0 | 0
Drupal\views\Tests\ViewsHooksTest | 1 | 1 | 0
Drupal\views\Tests\ViewsTemplateTest | 2 | 0 | 0
Drupal\views\Tests\ViewsTest | 1 | 0 | 0
Drupal\views\Tests\ViewStorageTest | 1 | 1 | 0
Drupal\views\Tests\Wizard\WizardPluginBaseUnitTest | 13 | 0 | 0
Drupal\views_ui\Tests\DefaultViewsTest | 0 | 1 | 0
Drupal\views_ui\Tests\DisplayExtenderUITest | 0 | 1 | 0
Drupal\views_ui\Tests\ExposedFormUITest | 0 | 1 | 0
Drupal\views_ui\Tests\FilterBooleanWebTest | 0 | 1 | 0
Drupal\views_ui\Tests\Form\Ajax\RearrangeFilterTest | 1 | 0 | 0
Drupal\views_ui\Tests\RearrangeFieldsTest | 0 | 1 | 0
Drupal\views_ui\Tests\RowUITest | 0 | 1 | 0
Drupal\views_ui\Tests\StorageTest | 0 | 1 | 0
Drupal\views_ui\Tests\ViewListControllerTest | 1 | 0 | 0
Drupal\views_ui\Tests\ViewUIObjectTest | 1 | 0 | 0
Drupal\xmlrpc\Tests\XmlRpcMessagesTest | 0 | 1 | 0
Drupal\xmlrpc\Tests\XmlRpcValidatorTest | 0 | 1 | 0

Review log

    [14:39:02] Log initialized (/var/lib/drupaltestbot/sites/default/files/review.test_609083.pifr_simpletest.views-ui-wrong-todo.patch.1377639542.log)
    [14:39:02] Review timestamp: (Tue, 08/27/2013 - 14:39)
    [14:39:02] Review host: (drupaltestbot1848)
    [14:39:02] Operations:Array
    (
        [0] => setup
        [1] => fetch
        [2] => checkout
        [3] => check
        [4] => apply
        [5] => syntax
        [6] => install
        [7] => review
    )

    [14:39:02] Result Codes: Array
    (
        [fail] => 9
        [pass] => 10
    )

    [14:39:02] Environment variables and review information initialized.
    [14:39:02] core_url = [git://git.drupal.org/project/drupal.git];  Test repository = [git://git.drupal.org/project/drupal.git]
    [14:39:02] Review started.
    [14:39:02] Test: Array
    (
        [test_id] => 609083
        [review] => Array
            (
                [plugin] => pifr_simpletest
                [argument] => Array
                    (
                        [test.title] =>
                        [test.directory.review] => Array
                            (
                                [0] =>
                            )

                        [test.directory.apply] =>
                        [test.directory.dependency] =>
                        [test.files] => Array
                            (
                            )

                        [test.extensions] => Array
                            (
                                [0] => php
                                [1] => inc
                                [2] => install
                                [3] => module
                                [4] => test
                            )

                        [drupal.core.version] => 8
                        [drupal.core.url] => git://git.drupal.org/project/drupal.git
                        [drupal.modules] => Array
                            (
                            )

                        [drupal.user] => admin
                        [drupal.pass] =>
                        [drupal.variables] => Array
                            (
                            )

                        [simpletest.tests] => Array
                            (
                            )

                        [simpletest.db] =>
                    )

            )

        [vcs] => Array
            (
                [main] => Array
                    (
                        [repository] => Array
                            (
                                [type] => git
                                [url] => git://git.drupal.org/project/drupal.git
                            )

                        [vcs_identifier] => 8.x
                    )

                [dependencies] => Array
                    (
                    )

            )

        [files] => Array
            (
                [0] => https://drupal.org/files/views-ui-wrong-todo.patch
            )

    )

    [14:39:02] Operations: Array
    (
        [0] => setup
        [1] => fetch
        [2] => checkout
        [3] => check
        [4] => apply
        [5] => syntax
        [6] => install
        [7] => review
    )

    [14:39:02] Invoking operation [setup]...
    [14:39:02] Command [chmod -R u+rw sites/default/files/checkout 2>&1] succeeded.
    [14:39:02] Command [rm -rf sites/default/files/checkout 2>&1] succeeded.
    [14:39:02] Command [rm -rf sites/default/files/review 2>&1] succeeded.
    [14:39:02] Database backend [mysql] loaded.
    [14:39:02] Invoking operation [fetch]...
    [14:39:02] Fetched [views-ui-wrong-todo.patch].
    [14:39:02] Invoking operation [checkout]...
    [14:39:02] Version control system backend [git] loaded.
    [14:39:50] Command [git clone 'git://git.drupal.org/project/drupal.git' 'checkout' --reference /var/cache/git/reference 2>&1] succeeded.
    [14:39:51] Command [git --work-tree='checkout' --git-dir='checkout/.git' checkout '8.x' 2>&1] succeeded.
    [14:39:51] Command [git --work-tree='checkout' --git-dir='checkout/.git' status 2>&1] succeeded.
    [14:39:51] Command [git --work-tree='checkout' --git-dir='checkout/.git' log --oneline -1 2>&1] succeeded
      Duration: 0 seconds
      Directory: [/var/lib/drupaltestbot/sites/default/files]
      Completion status: [0]
      Output: [28f1ad6 Issue #2051889 by dawehner, pwolanin, tstoeckler: Add route parameters  property to menu links.].
    [14:39:51] Main branch [8.x] checkout [complete].
    [14:39:51] Invoking operation [check]...
    [14:39:51] Invoking operation [apply]...
    [14:39:51] Command [git apply --check -p1 /var/lib/drupaltestbot/sites/default/files/review/views-ui-wrong-todo.patch 2>&1] succeeded.
    [14:39:51] Command [git apply -v -p1 /var/lib/drupaltestbot/sites/default/files/review/views-ui-wrong-todo.patch 2>&1] succeeded.
    [14:39:51] Applied [views-ui-wrong-todo.patch] to:
     > core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php
    [14:39:51] Invoking operation [syntax]...
    [14:39:51] Command [php -l -f './core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php' 2>&1] succeeded.
    [14:39:51] Checked [1 of 1] relevant file(s) for syntax.
    [14:39:51] Invoking operation [install]...
    [14:39:52] Setting driver to mysql
    [14:39:52] Element was Array
    (
        [0] => SimpleXMLElement Object
            (
                [@attributes] => Array
                    (
                        [aria-describedby] => edit-driver--description
                        [type] => radio
                        [id] => edit-driver-mysql
                        [name] => driver
                        [value] => mysql
                        [checked] => checked
                        [class] => form-radio
                    )

            )

        [1] => SimpleXMLElement Object
            (
                [@attributes] => Array
                    (
                        [aria-describedby] => edit-driver--description
                        [type] => radio
                        [id] => edit-driver-sqlite
                        [name] => driver
                        [value] => sqlite
                        [class] => form-radio
                    )

            )

    )

    [14:41:41] Invoking operation [review]...
    [14:42:00] Cleaning run-tests.sh environment.
    [14:42:00] Command [/usr/bin/php ./core/scripts/run-tests.sh --concurrency 8 --php /usr/bin/php --url 'http://drupaltestbot1848/checkout' --keep-results --all --clean 2>&1] succeeded.
    [14:42:00] Initiating run-tests.sh.
    [14:46:27] Command [/usr/bin/php ./core/scripts/run-tests.sh --concurrency 8 --php /usr/bin/php --url 'http://drupaltestbot1848/checkout' --keep-results --all 2>&1] succeeded
      Duration: 267 seconds
      Directory: [/var/lib/drupaltestbot/sites/default/files/checkout]
      Completion status: [0]
      Output: [Drupal test run
    ---------------

    All tests will run.

    Test run started:
     Tuesday, August 27, 2013 - 21:42

    Test summary
    ------------

    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorTestBase.php(27): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\aggregator\Tests\AggregatorTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('6', 'Drupal\aggregat...')
    #6 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorTestBase.php(27): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\aggregator\Tests\AggregatorTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('8', 'Drupal\aggregat...')
    #6 {main}FATAL Drupal\aggregator\Tests\AggregatorCronTest: test runner returned a non-zero error code (1).
    FATAL Drupal\aggregator\Tests\CategorizeFeedItemTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('9', 'Drupal\aggregat...')
    #21 {main}FATAL Drupal\aggregator\Tests\CategorizeFeedTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('11', 'Drupal\aggregat...')
    #21 {main}FATAL Drupal\aggregator\Tests\FeedLanguageTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorTestBase.php(27): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/FeedFetcherPluginTest.php(26): Drupal\aggregator\Tests\AggregatorTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\aggregator\Tests\FeedFetcherPluginTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('10', 'Drupal\aggregat...')
    #7 {main}FATAL Drupal\aggregator\Tests\FeedFetcherPluginTest: test runner returned a non-zero error code (1).
    Action Plugins 11 passes, 0 fails, and 0 exceptions
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('14', 'Drupal\aggregat...')
    #21 {main}FATAL Drupal\aggregator\Tests\ImportOpmlTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('15', 'Drupal\aggregat...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorTestBase.php(27): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/FeedProcessorPluginTest.php(29): Drupal\aggregator\Tests\AggregatorTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\aggregator\Tests\FeedProcessorPluginTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('13', 'Drupal\aggregat...')
    #7 {main}FATAL Drupal\aggregator\Tests\FeedProcessorPluginTest: test runner returned a non-zero error code (1).
    FATAL Drupal\aggregator\Tests\RemoveFeedItemTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('17', 'Drupal\aggregat...')
    #21 {main}FATAL Drupal\aggregator\Tests\UpdateFeedItemTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('18', 'Drupal\aggregat...')
    #21 {main}FATAL Drupal\aggregator\Tests\UpdateFeedTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorTestBase.php(27): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\aggregator\Tests\AggregatorTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('16', 'Drupal\aggregat...')
    #6 {main}FATAL Drupal\aggregator\Tests\RemoveFeedTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('20', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Ajax\CommandsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('21', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Ajax\DialogTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest89957...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('19', 'Drupal\system\T...')
    #9 {main}FATAL Drupal\system\Tests\Ajax\AjaxCommandsUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('23', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Ajax\FormValuesTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('22', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Ajax\ElementValidationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('25', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Ajax\MultiFormTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('24', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Ajax\FrameworkTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('27', 'Drupal\ban\Test...')
    #21 {main}FATAL Drupal\ban\Tests\IpAddressBlockingTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('26', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Authentication\HttpBasicTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('29', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Batch\ProcessingTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('28', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Batch\PageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('31', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\BlockCacheTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('30', 'Drupal\block\Te...')
    #5 {main}FATAL Drupal\block\Tests\BlockAdminThemeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('33', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\BlockHookOperationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('34', 'Drupal\block\Te...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/block/lib/Drupal/block/Tests/BlockHiddenRegionTest.php(38): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\block\Tests\BlockHiddenRegionTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('32', 'Drupal\block\Te...')
    #6 {main}FATAL Drupal\block\Tests\BlockHtmlIdTest: test runner returned a non-zero error code (1).
    FATAL Drupal\block\Tests\BlockHiddenRegionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('36', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\BlockInvalidRegionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('37', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\BlockLanguageCacheTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('38', 'Drupal\block\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest29284...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('35', 'Drupal\block\Te...')
    #9 {main}FATAL Drupal\block\Tests\BlockLanguageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\block\Tests\BlockInterfaceTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('40', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\BlockStorageUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/block/lib/Drupal/block/Tests/BlockRenderOrderTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\block\Tests\BlockRenderOrderTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('39', 'Drupal\block\Te...')
    #6 {main}FATAL Drupal\block\Tests\BlockRenderOrderTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('42', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\BlockTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('41', 'Drupal\block\Te...')
    #5 {main}FATAL Drupal\block\Tests\BlockTemplateSuggestionsUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('44', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\BlockUiTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/block/lib/Drupal/block/Tests/BlockTitleXSSTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\block\Tests\BlockTitleXSSTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('43', 'Drupal\block\Te...')
    #6 {main}FATAL Drupal\block\Tests\BlockTitleXSSTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('46', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\NonDefaultBlockAdminTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('45', 'Drupal\block\Te...')
    #5 {main}FATAL Drupal\block\Tests\NewDefaultThemeBlocksTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('48', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Bootstrap\GetFilenameUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/book/lib/Drupal/book/Tests/BookTest.php(63): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\book\Tests\BookTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('47', 'Drupal\book\Tes...')
    #6 {main}FATAL Drupal\book\Tests\BookTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('50', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest19574...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('49', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Bootstrap\MiscUnitTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Bootstrap\OverrideServerVariablesUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('52', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Bootstrap\ResettableStaticUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('53', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Bootstrap\VariableTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Bootstrap/PageCacheTest.php(36): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Bootstrap\PageCacheTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('51', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Bootstrap\PageCacheTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('55', 'Drupal\breakpoi...')
    #21 {main}FATAL Drupal\breakpoint\Tests\BreakpointCRUDTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/breakpoint/lib/Drupal/breakpoint/Tests/BreakpointTestBase.php(25): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\breakpoint\Tests\BreakpointTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('54', 'Drupal\breakpoi...')
    #6 {main}FATAL Drupal\breakpoint\Tests\BreakpointAPITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('57', 'Drupal\breakpoi...')
    #21 {main}FATAL Drupal\breakpoint\Tests\BreakpointGroupCRUDTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/breakpoint/lib/Drupal/breakpoint/Tests/BreakpointGroupTestBase.php(25): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\breakpoint\Tests\BreakpointGroupTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('56', 'Drupal\breakpoi...')
    #6 {main}FATAL Drupal\breakpoint\Tests\BreakpointGroupAPITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('59', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Cache\BackendChainUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/breakpoint/lib/Drupal/breakpoint/Tests/BreakpointGroupTestBase.php(25): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/breakpoint/lib/Drupal/breakpoint/Tests/BreakpointThemeTest.php(34): Drupal\breakpoint\Tests\BreakpointGroupTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\breakpoint\Tests\BreakpointThemeTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('58', 'Drupal\breakpoi...')
    #7 {main}FATAL Drupal\breakpoint\Tests\BreakpointThemeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('61', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Cache\DatabaseBackendUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Cache/ClearTest.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Cache\ClearTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('60', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Cache\ClearTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('63', 'Drupal\ckeditor...')
    #21 {main}FATAL Drupal\ckeditor\Tests\CKEditorAdminTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('64', 'Drupal\ckeditor...')
    #21 {main}FATAL Drupal\ckeditor\Tests\CKEditorLoadingTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest52328...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Cache/GenericCacheBackendUnitTestBase.php(130): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\system\Tests\Cache\GenericCacheBackendUnitTestBase->tearDown()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('62', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Cache\MemoryBackendUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('66', 'Drupal\ckeditor...')
    #21 {main}FATAL Drupal\ckeditor\Tests\CKEditorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('67', 'Drupal\color\Te...')
    #21 {main}FATAL Drupal\color\Tests\ColorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/ckeditor/lib/Drupal/ckeditor/Tests/CKEditorPluginManagerTest.php(44): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', 'url_alias')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\ckeditor\Tests\CKEditorPluginManagerTest->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('65', 'Drupal\ckeditor...')
    #11 {main}FATAL Drupal\ckeditor\Tests\CKEditorPluginManagerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('69', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentAnonymousTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('68', 'Drupal\comment\...')
    #6 {main}FATAL Drupal\comment\Tests\CommentActionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('71', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentBlockTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('70', 'Drupal\comment\...')
    #6 {main}FATAL Drupal\comment\Tests\CommentApprovalTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('73', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentCSSTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('72', 'Drupal\comment\...')
    #6 {main}FATAL Drupal\comment\Tests\CommentContentRebuildTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('75', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentInterfaceTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('74', 'Drupal\comment\...')
    #6 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('76', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentFieldsTest: test runner returned a non-zero error code (1).
    FATAL Drupal\comment\Tests\CommentLanguageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('77', 'Drupal\comment\...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('78', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentLinksTest: test runner returned a non-zero error code (1).
    FATAL Drupal\comment\Tests\CommentNewIndicatorTest: test runner returned a non-zero error code (1).
    Actions configuration 19 passes, 34 fails, and 5 exceptions
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentNodeAccessTest.php(36): Drupal\comment\Tests\CommentTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentNodeAccessTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('79', 'Drupal\comment\...')
    #7 {main}FATAL Drupal\comment\Tests\CommentNodeAccessTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('82', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentPreviewTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('81', 'Drupal\comment\...')
    #6 {main}FATAL Drupal\comment\Tests\CommentPagerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('84', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentStatisticsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('83', 'Drupal\comment\...')
    #6 {main}FATAL Drupal\comment\Tests\CommentRssTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('86', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\CommentTokenReplaceTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('87', 'Drupal\comment\...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentTestBase.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('85', 'Drupal\comment\...')
    #6 {main}FATAL Drupal\comment\Tests\CommentThreadingTest: test runner returned a non-zero error code (1).
    FATAL Drupal\comment\Tests\CommentTranslationUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('89', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Common\AddFeedTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('90', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Common\AlterTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentUninstallTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\comment\Tests\CommentUninstallTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('88', 'Drupal\comment\...')
    #6 {main}FATAL Drupal\comment\Tests\CommentUninstallTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('92', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Common\FormatDateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('93', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Common\HtmlIdentifierUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest68915...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('91', 'Drupal\system\T...')
    #9 {main}FATAL Drupal\system\Tests\Common\CascadingStylesheetsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('95', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Common\JavaScriptTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('94', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Common\HtmlTagTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('97', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest46733...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('96', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Common\RegionContentTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Common\ParseInfoFileUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('99', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Common\SimpleTestErrorCollectorTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('98', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Common\RenderTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('101', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest37586...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('100', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Common\SystemListingTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Common\SizeUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('103', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Common\ValidNumberStepUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('102', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Common\UrlTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('105', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Common\XssUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('104', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Common\WriteRecordTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('107', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\Condition\NodeConditionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('108', 'Drupal\php\Test...')
    #21 {main}FATAL Drupal\php\Tests\Condition\PhpConditionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/language/lib/Drupal/language/Tests/Condition/LanguageConditionTest.php(53): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', 'variable')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\language\Tests\Condition\LanguageConditionTest->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('106', 'Drupal\language...')
    #11 {main}FATAL Drupal\language\Tests\Condition\LanguageConditionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('110', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigCRUDTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('109', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Condition\ConditionFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('112', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigEntityListTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('113', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigEntityStatusTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest58551...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('111', 'Drupal\config\T...')
    #9 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('114', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigEntityStatusUITest: test runner returned a non-zero error code (1).
    FATAL Drupal\config\Tests\ConfigDiffTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('116', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigEntityTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('117', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigEntityUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('118', 'Drupal\config\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest46695...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('115', 'Drupal\config\T...')
    #9 {main}FATAL Drupal\config\Tests\ConfigEntityStorageControllerTest: test runner returned a non-zero error code (1).
    FATAL Drupal\config\Tests\ConfigExportUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('120', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigImporterTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('121', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigImportUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('122', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigImportUploadTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest11869...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('119', 'Drupal\config\T...')
    #9 {main}FATAL Drupal\config\Tests\ConfigFileContentTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('124', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigInstallWebTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('125', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigLocaleOverride: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('126', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigLocaleOverrideWebTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest40101...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('123', 'Drupal\config\T...')
    #9 {main}FATAL Drupal\config\Tests\ConfigInstallTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('128', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\ConfigSchemaTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('129', 'Drupal\config\T...')
    #21 {main}Bulk form 9 passes, 46 fails, and 0 exceptions
    FATAL Drupal\config\Tests\ConfigSnapshotTest: test runner returned a non-zero error code (1).
    Configuration overrides 26 passes, 0 fails, and 0 exceptions
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('132', 'Drupal\config\T...')
    #21 {main}FATAL Drupal\config\Tests\Storage\FileStorageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('133', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Entity\ConfigEntityQueryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/config/lib/Drupal/config/Tests/Storage/DatabaseStorageTest.php(47): db_create_table('config', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\config\Tests\Storage\DatabaseStorageTest->setUp()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('131', 'Drupal\config\T...')
    #8 {main}FATAL Drupal\config\Tests\Storage\DatabaseStorageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('135', 'Drupal\contact\...')
    #21 {main}FATAL Drupal\contact\Tests\ContactPersonalTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('134', 'Drupal\contact\...')
    #5 {main}FATAL Drupal\contact\Tests\ContactAuthenticatedUserTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('137', 'Drupal\contact\...')
    #21 {main}FATAL Drupal\contact\Tests\ContactUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('136', 'Drupal\contact\...')
    #5 {main}FATAL Drupal\contact\Tests\ContactSitewideTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('139', 'Drupal\content_...')
    #21 {main}FATAL Drupal\content_translation\Tests\ConfigTestTranslationUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('140', 'Drupal\content_...')
    #21 {main}FATAL Drupal\content_translation\Tests\ContentTestTranslationUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('141', 'Drupal\content_...')
    #21 {main}FATAL Drupal\content_translation\Tests\ContentTranslationSettingsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest66699...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('138', 'Drupal\contact\...')
    #9 {main}FATAL Drupal\contact\Tests\MessageEntityTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('143', 'Drupal\content_...')
    #21 {main}FATAL Drupal\content_translation\Tests\ContentTranslationSyncUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationTestBase.php(76): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationSyncImageTest.php(48): Drupal\content_translation\Tests\ContentTranslationTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\content_translation\Tests\ContentTranslationSyncImageTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('142', 'Drupal\content_...')
    #7 {main}FATAL Drupal\content_translation\Tests\ContentTranslationSyncImageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('145', 'Drupal\contextu...')
    #21 {main}FATAL Drupal\contextual\Tests\ContextualDynamicContextTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationTestBase.php(76): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/content_translation/lib/Drupal/content_translation/Tests/ContentTranslationWorkflowsTest.php(41): Drupal\content_translation\Tests\ContentTranslationTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\content_translation\Tests\ContentTranslationWorkflowsTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('144', 'Drupal\content_...')
    #7 {main}FATAL Drupal\content_translation\Tests\ContentTranslationWorkflowsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('147', 'Drupal\custom_b...')
    #21 {main}FATAL Drupal\custom_block\Tests\CustomBlockBuildContentTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('148', 'Drupal\custom_b...')
    #21 {main}FATAL Drupal\custom_block\Tests\CustomBlockCreationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest94124...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('146', 'Drupal\contextu...')
    #9 {main}FATAL Drupal\contextual\Tests\ContextualUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('150', 'Drupal\custom_b...')
    #21 {main}FATAL Drupal\custom_block\Tests\CustomBlockListTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockTestBase.php(49): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\custom_block\Tests\CustomBlockTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('149', 'Drupal\custom_b...')
    #6 {main}FATAL Drupal\custom_block\Tests\CustomBlockFieldTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('152', 'Drupal\custom_b...')
    #21 {main}FATAL Drupal\custom_block\Tests\CustomBlockPageViewTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockTestBase.php(49): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\custom_block\Tests\CustomBlockTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('151', 'Drupal\custom_b...')
    #6 {main}FATAL Drupal\custom_block\Tests\CustomBlockLoadHooksTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('154', 'Drupal\custom_b...')
    #21 {main}FATAL Drupal\custom_block\Tests\CustomBlockSaveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('155', 'Drupal\custom_b...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockTestBase.php(49): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockRevisionsTest.php(42): Drupal\custom_block\Tests\CustomBlockTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\custom_block\Tests\CustomBlockRevisionsTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('153', 'Drupal\custom_b...')
    #7 {main}FATAL Drupal\custom_block\Tests\CustomBlockTranslationUITest: test runner returned a non-zero error code (1).
    FATAL Drupal\custom_block\Tests\CustomBlockRevisionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('157', 'Drupal\custom_b...')
    #21 {main}FATAL Drupal\custom_block\Tests\PageEditTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('158', 'Drupal\system\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/block/custom_block/lib/Drupal/custom_block/Tests/CustomBlockTestBase.php(49): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\custom_block\Tests\CustomBlockTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('156', 'Drupal\custom_b...')
    #6 {main}FATAL Drupal\system\Tests\Database\AlterTest: test runner returned a non-zero error code (1).
    FATAL Drupal\custom_block\Tests\CustomBlockTypeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('160', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\CaseSensitivityTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('161', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\ConnectionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Database/DatabaseTestBase.php(33): Drupal\simpletest\DrupalUnitTestBase->installSchema('database_test', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Database\DatabaseTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('159', 'Drupal\system\T...')
    #11 {main}FATAL Drupal\system\Tests\Database\BasicSyntaxTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('163', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'monitor')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Database/ConnectionUnitTest.php(57): Drupal\Core\Database\Database::getConnection('monitor')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Database\ConnectionUnitTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('162', 'Drupal\system\T...')
    #7 {main}FATAL Drupal\system\Tests\Database\DatabaseExceptionWrapperTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\ConnectionUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('165', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\FetchTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('166', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\InsertDefaultsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Database/DatabaseTestBase.php(33): Drupal\simpletest\DrupalUnitTestBase->installSchema('database_test', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Database\DatabaseTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('164', 'Drupal\system\T...')
    #11 {main}FATAL Drupal\system\Tests\Database\DeleteTruncateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('168', 'Drupal\system\T...')
    #21 {main}
    Fatal error: Call to a member function label() on a non-object in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AddFeedTest.php on line 30
    FATAL Drupal\system\Tests\Database\InsertTest: test runner returned a non-zero error code (1).
    FATAL Drupal\aggregator\Tests\AddFeedTest: test runner returned a non-zero error code (255).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('170', 'Drupal\system\T...')
    #21 {main}Insert tests, LOB fields 7 passes, 0 fails, and 0 exceptions
    FATAL Drupal\system\Tests\Database\LoggingTest: test runner returned a non-zero error code (1).
    Invalid data 4 passes, 0 fails, and 0 exceptions
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('172', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('173', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\NextIdTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\QueryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('174', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('175', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\RangeQueryTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\RegressionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Database/DatabaseTestBase.php(33): Drupal\simpletest\DrupalUnitTestBase->installSchema('database_test', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Database\DatabaseTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('171', 'Drupal\system\T...')
    #11 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('177', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\MergeTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\SelectCloneTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('178', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('179', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest73986...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('176', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Database\SchemaTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\SelectComplexTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\SelectOrderedTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('180', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('182', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\SelectPagerDefaultTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\SelectTableSortDefaultTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('183', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('184', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\SelectTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\SerializeQueryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('185', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('186', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Database/DatabaseTestBase.php(33): Drupal\simpletest\DrupalUnitTestBase->installSchema('database_test', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Database\DatabaseTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('181', 'Drupal\system\T...')
    #11 {main}FATAL Drupal\system\Tests\Database\TaggingTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\TemporaryQueryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('188', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\SelectSubqueryTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\UpdateComplexTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('190', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('189', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Database\UpdateLobTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Database\UpdateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('192', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('191', 'Drupal\datetime...')
    #21 {main}FATAL Drupal\datetime\Tests\DatetimeFieldTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Datetime\DateTimePlusIntlTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Database/DatabaseTestBase.php(33): Drupal\simpletest\DrupalUnitTestBase->installSchema('database_test', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Database\DatabaseTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('187', 'Drupal\system\T...')
    #11 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('193', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('194', 'Drupal\dblog\Te...')
    #21 {main}FATAL Drupal\system\Tests\Database\TransactionTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Datetime\DrupalDateTimeTest: test runner returned a non-zero error code (1).
    FATAL Drupal\dblog\Tests\DbLogTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('196', 'Drupal\system\T...')
    #21 {main}
    Fatal error: Call to a member function id() on a non-object in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/comment/lib/Drupal/comment/Tests/CommentNodeChangesTest.php on line 29
    FATAL Drupal\system\Tests\DrupalKernel\ContentNegotiationTest: test runner returned a non-zero error code (1).

    Fatal error: Call to undefined method stdClass::label() in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Plugin/aggregator/fetcher/DefaultFetcher.php on line 74
    FATAL Drupal\comment\Tests\CommentNodeChangesTest: test runner returned a non-zero error code (255).
    FATAL Drupal\aggregator\Tests\FeedParserTest: test runner returned a non-zero error code (255).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('200', 'Drupal\edit\Tes...')
    #21 {main}
    Fatal error: Call to a member function id() on a non-object in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorTestBase.php on line 161
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest57018...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('197', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\edit\Tests\EditorSelectionTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/edit/lib/Drupal/edit/Tests/EditLoadingTest.php(36): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\edit\Tests\EditLoadingTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('199', 'Drupal\edit\Tes...')
    #6 {main}FATAL Drupal\system\Tests\DrupalKernel\DrupalKernelTest: test runner returned a non-zero error code (1).
    FATAL Drupal\edit\Tests\EditLoadingTest: test runner returned a non-zero error code (1).
    Service destruction 8 passes, 0 fails, and 0 exceptions
    FATAL Drupal\aggregator\Tests\AggregatorRenderingTest: test runner returned a non-zero error code (255).
    Variable migration 12 passes, 0 fails, and 0 exceptions
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest48803...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('203', 'Drupal\entity\T...')
    #9 {main}FATAL Drupal\entity\Tests\EntityDisplayTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('207', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Entity\EntityApiTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('208', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest6359%')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('204', 'Drupal\entity\T...')
    #9 {main}FATAL Drupal\system\Tests\Entity\EntityBCDecoratorTest: test runner returned a non-zero error code (1).
    FATAL Drupal\entity\Tests\EntityFormDisplayTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('210', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1009): Symfony\Component\DependencyInjection\ContainerBuilder->get('database', 1)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1006): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Object(Symfony\Component\DependencyInjection\Reference))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(948): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Array)
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'locale.storage')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1009): Symfony\Component\DependencyInjection\ContainerBuilder->get('locale.storage', 1)
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1006): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Object(Symfony\Component\DependencyInjection\Reference))
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(948): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Array)
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'string_translat...')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1009): Symfony\Component\DependencyInjection\ContainerBuilder->get('string_translat...', 1)
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1006): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Object(Symfony\Component\DependencyInjection\Reference))
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1136): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Array)
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(972): Symfony\Component\DependencyInjection\ContainerBuilder->callMethod(Object(Drupal\Core\StringTranslation\TranslationManager), Array)
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'string_translat...')
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1009): Symfony\Component\DependencyInjection\ContainerBuilder->get('string_translat...', 1)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1006): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Object(Symfony\Component\DependencyInjection\Reference))
    #21 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(948): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Array)
    #22 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'plugin.manager....')
    #23 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(42): Symfony\Component\DependencyInjection\ContainerBuilder->get('plugin.manager....')
    #24 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityAccessTest.php(31): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #25 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityAccessTest->setUp()
    #26 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #27 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('205', 'Drupal\system\T...')
    #28 {main}FATAL Drupal\system\Tests\Entity\EntityFieldDefaultValueTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Entity\EntityAccessTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', 'users')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityCrudHookTest.php(45): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityCrudHookTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('209', 'Drupal\system\T...')
    #12 {main}FATAL Drupal\system\Tests\Entity\EntityCrudHookTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityFormTest.php(34): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityFormTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('212', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Entity\EntityFormTest: test runner returned a non-zero error code (1).
    Aggregator configuration 14 passes, 33 fails, and 0 exceptions
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('215', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Entity\EntityOperationsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', 'users')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('214', 'Drupal\system\T...')
    #11 {main}Entity label 8 passes, 0 fails, and 0 exceptions
    FATAL Drupal\system\Tests\Entity\EntityManagerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', 'users')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityQueryAggregateTest.php(56): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityQueryAggregateTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('216', 'Drupal\system\T...')
    #12 {main}In-place field editing metadata 14 passes, 0 fails, and 0 exceptions
    FATAL Drupal\system\Tests\Entity\EntityQueryAggregateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('220', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Entity\EntityTranslationFormTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityRevisionsTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityRevisionsTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('219', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Entity\EntityRevisionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('222', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Entity\EntityUriTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('223', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Entity\EntityUUIDTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('224', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', 'users')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityTranslationTest.php(32): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityTranslationTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('221', 'Drupal\system\T...')
    #12 {main}FATAL Drupal\system\Tests\Entity\EntityTranslationTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Entity\EntityValidationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('226', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Entity\FieldAccessTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('227', 'Drupal\entity_r...')
    #21 {main}FATAL Drupal\entity_reference\Tests\EntityReferenceAdminTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityViewControllerTest.php(41): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityViewControllerTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('225', 'Drupal\system\T...')
    #6 {main}Entity Query relationship 23 passes, 0 fails, and 0 exceptions
    FATAL Drupal\system\Tests\Entity\EntityViewControllerTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/entity_reference/lib/Drupal/entity_reference/Tests/EntityReferenceAutoCreateTest.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\entity_reference\Tests\EntityReferenceAutoCreateTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('229', 'Drupal\entity_r...')
    #6 {main}FATAL Drupal\entity_reference\Tests\EntityReferenceAutoCreateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('231', 'Drupal\entity_r...')
    #21 {main}FATAL Drupal\entity_reference\Tests\EntityReferenceItemTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', 'users')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/entity_reference/lib/Drupal/entity_reference/Tests/EntityReferenceFieldTest.php(76): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\entity_reference\Tests\EntityReferenceFieldTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('230', 'Drupal\entity_r...')
    #12 {main}FATAL Drupal\entity_reference\Tests\EntityReferenceFieldTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('233', 'Drupal\entity_r...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', 'users')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityQueryTest.php(57): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityQueryTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('218', 'Drupal\system\T...')
    #12 {main}FATAL Drupal\entity_reference\Tests\EntityReferenceSelectionSortTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Entity\EntityQueryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('235', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\field\Tests\BulkDeleteTest: test runner returned a non-zero error code (1).
    Autocomplete 10 passes, 0 fails, and 0 exceptions
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('234', 'Drupal\field\Te...')
    #5 {main}FATAL Drupal\field\Tests\ActiveTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldAccessTest.php(45): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\FieldAccessTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('238', 'Drupal\field\Te...')
    #6 {main}FATAL Drupal\field\Tests\FieldAccessTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('239', 'Drupal\field\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldUnitTestBase.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/DisplayApiTest.php(65): Drupal\field\Tests\FieldUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\DisplayApiTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('237', 'Drupal\field\Te...')
    #12 {main}FATAL Drupal\field\Tests\DisplayApiTest: test runner returned a non-zero error code (1).
    FATAL Drupal\field\Tests\FieldAttachOtherTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('241', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\field\Tests\FieldImportChangeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', 'users')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityFieldTest.php(38): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Entity\EntityFieldTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('211', 'Drupal\system\T...')
    #12 {main}FATAL Drupal\system\Tests\Entity\EntityFieldTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldUnitTestBase.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\FieldUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('236', 'Drupal\field\Te...')
    #11 {main}FATAL Drupal\field\Tests\CrudTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('244', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\field\Tests\FieldInfoTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldUnitTestBase.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\FieldUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('243', 'Drupal\field\Te...')
    #11 {main}FATAL Drupal\field\Tests\FieldImportDeleteTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('246', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\field\Tests\FieldValidationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('247', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\field\Tests\FormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldUnitTestBase.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldInstanceCrudTest.php(44): Drupal\field\Tests\FieldUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\FieldInstanceCrudTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('245', 'Drupal\field\Te...')
    #12 {main}FATAL Drupal\field\Tests\FieldInstanceCrudTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('249', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\field\Tests\TranslationTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/NestedFormTest.php(31): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\NestedFormTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('248', 'Drupal\field\Te...')
    #6 {main}FATAL Drupal\field\Tests\NestedFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldUnitTestBase.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldAttachStorageTest.php(43): Drupal\field\Tests\FieldUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\FieldAttachStorageTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('240', 'Drupal\field\Te...')
    #12 {main}FATAL Drupal\field\Tests\FieldAttachStorageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('252', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeFieldMultilingualTestCase: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('253', 'Drupal\datetime...')
    #21 {main}FATAL Drupal\datetime\Tests\DateTimeItemTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', 'users')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field_sql_storage/lib/Drupal/field_sql_storage/Tests/FieldSqlStorageTest.php(68): Drupal\system\Tests\Entity\EntityUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field_sql_storage\Tests\FieldSqlStorageTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('251', 'Drupal\field_sq...')
    #12 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('254', 'Drupal\email\Te...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/layout/lib/Drupal/layout/Tests/DisplayInternalLogicTest.php(56): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\layout\Tests\DisplayInternalLogicTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('195', 'Drupal\layout\T...')
    #6 {main}FATAL Drupal\field_sql_storage\Tests\FieldSqlStorageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\email\Tests\EmailFieldTest: test runner returned a non-zero error code (1).
    FATAL Drupal\layout\Tests\DisplayInternalLogicTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/reEnableModuleFieldTest.php(40): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\reEnableModuleFieldTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('256', 'Drupal\field\Te...')
    #6 {main}FATAL Drupal\field\Tests\reEnableModuleFieldTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('258', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\field\Tests\TestItemTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldUnitTestBase.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/ShapeItemTest.php(41): Drupal\field\Tests\FieldUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field\Tests\ShapeItemTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('257', 'Drupal\field\Te...')
    #12 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('259', 'Drupal\link\Tes...')
    #21 {main}FATAL Drupal\field\Tests\ShapeItemTest: test runner returned a non-zero error code (1).
    FATAL Drupal\link\Tests\LinkFieldTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('261', 'Drupal\link\Tes...')
    #21 {main}FATAL Drupal\link\Tests\LinkItemTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('262', 'Drupal\number\T...')
    #21 {main}FATAL Drupal\number\Tests\NumberFieldTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/link/lib/Drupal/link/Tests/LinkFieldUITest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\link\Tests\LinkFieldUITest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('260', 'Drupal\link\Tes...')
    #6 {main}FATAL Drupal\link\Tests\LinkFieldUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('264', 'Drupal\options\...')
    #21 {main}E-mail field item 10 passes, 0 fails, and 0 exceptions
    FATAL Drupal\options\Tests\OptionsDynamicValuesValidationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('266', 'Drupal\options\...')
    #21 {main}FATAL Drupal\options\Tests\OptionsFieldUITest: test runner returned a non-zero error code (1).
    Field config create tests 33 passes, 0 fails, and 0 exceptions
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('268', 'Drupal\options\...')
    #21 {main}FATAL Drupal\options\Tests\OptionsSelectDynamicValuesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('269', 'Drupal\options\...')
    #21 {main}FATAL Drupal\options\Tests\OptionsWidgetsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldUnitTestBase.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/options/lib/Drupal/options/Tests/OptionsFieldUnitTestBase.php(57): Drupal\field\Tests\FieldUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/options/lib/Drupal/options/Tests/OptionsFormattersTest.php(30): Drupal\options\Tests\OptionsFieldUnitTestBase->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\options\Tests\OptionsFormattersTest->setUp()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('267', 'Drupal\options\...')
    #13 {main}FATAL Drupal\options\Tests\OptionsFormattersTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('271', 'Drupal\telephon...')
    #21 {main}FATAL Drupal\telephone\Tests\TelephoneItemTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/telephone/lib/Drupal/telephone/Tests/TelephoneFieldTest.php(41): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\telephone\Tests\TelephoneFieldTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('270', 'Drupal\telephon...')
    #6 {main}FATAL Drupal\telephone\Tests\TelephoneFieldTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('273', 'Drupal\text\Tes...')
    #21 {main}FATAL Drupal\text\Tests\TextFieldTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('274', 'Drupal\text\Tes...')
    #21 {main}FATAL Drupal\text\Tests\TextSummaryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('275', 'Drupal\field_ui...')
    #21 {main}FATAL Drupal\field_ui\Tests\FieldUIRouteTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('276', 'Drupal\field_ui...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/text/lib/Drupal/text/Tests/Formatter/TextPlainUnitTest.php(51): Drupal\simpletest\DrupalUnitTestBase->installSchema('entity_test', 'entity_test')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\text\Tests\Formatter\TextPlainUnitTest->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('272', 'Drupal\text\Tes...')
    #11 {main}FATAL Drupal\field_ui\Tests\ManageDisplayTest: test runner returned a non-zero error code (1).
    Number field items 22 passes, 0 fails, and 0 exceptions
    FATAL Drupal\text\Tests\Formatter\TextPlainUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('279', 'Drupal\file\Tes...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('206', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\file\Tests\FileFieldPathTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Entity\EntityApiInfoTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('202', 'Drupal\entity\T...')
    #5 {main}FATAL Drupal\entity\Tests\EntityDisplayModeTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileFieldTestBase.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\FileFieldTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('281', 'Drupal\file\Tes...')
    #6 {main}Options field 20 passes, 0 fails, and 0 exceptions
    FATAL Drupal\file\Tests\FileFieldRSSContentTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('284', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\FileItemTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileFieldTestBase.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\FileFieldTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('283', 'Drupal\file\Tes...')
    #6 {main}FATAL Drupal\file\Tests\FileFieldWidgetTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('286', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\FileManagedFileElementTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('287', 'Drupal\file\Tes...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileFieldTestBase.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileListingTest.php(33): Drupal\file\Tests\FileFieldTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\FileListingTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('285', 'Drupal\file\Tes...')
    #7 {main}FATAL Drupal\file\Tests\FilePrivateTest: test runner returned a non-zero error code (1).
    FATAL Drupal\file\Tests\FileListingTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('289', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\UrlRewritingTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileFieldTestBase.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\FileFieldTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('288', 'Drupal\file\Tes...')
    #6 {main}FATAL Drupal\file\Tests\FileTokenReplaceTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('291', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\DeleteTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileManagedTestBase.php(27): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\FileManagedTestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('290', 'Drupal\file\Tes...')
    #7 {main}FATAL Drupal\file\Tests\CopyTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('293', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\LoadTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileManagedTestBase.php(27): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/DownloadTest.php(25): Drupal\file\Tests\FileManagedTestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\DownloadTest->setUp()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('292', 'Drupal\file\Tes...')
    #8 {main}FATAL Drupal\file\Tests\DownloadTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('295', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\SaveDataTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileManagedTestBase.php(27): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\FileManagedTestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('294', 'Drupal\file\Tes...')
    #7 {main}FATAL Drupal\file\Tests\MoveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('297', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\SaveUploadTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileManagedTestBase.php(27): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\FileManagedTestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('296', 'Drupal\file\Tes...')
    #7 {main}FATAL Drupal\file\Tests\SaveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('299', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\UsageTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileManagedTestBase.php(27): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/SpaceUsedTest.php(23): Drupal\file\Tests\FileManagedTestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\SpaceUsedTest->setUp()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('298', 'Drupal\file\Tes...')
    #8 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('300', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\SpaceUsedTest: test runner returned a non-zero error code (1).
    FATAL Drupal\file\Tests\ValidateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('302', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\ConfigTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('303', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\DirectoryTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileManagedTestBase.php(27): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/ValidatorTest.php(23): Drupal\file\Tests\FileManagedTestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\ValidatorTest->setUp()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('301', 'Drupal\file\Tes...')
    #8 {main}FATAL Drupal\file\Tests\ValidatorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('305', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\NameMungingTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('304', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\File\MimeTypeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('307', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\ScanDirectoryTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/ReadOnlyStreamWrapperTest.php(34): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\File\ReadOnlyStreamWrapperTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('306', 'Drupal\system\T...')
    #7 {main}FATAL Drupal\system\Tests\File\ReadOnlyStreamWrapperTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('309', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\UnmanagedCopyTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/StreamWrapperTest.php(37): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\File\StreamWrapperTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('308', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\File\StreamWrapperTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('311', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\UnmanagedDeleteTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('310', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\File\UnmanagedDeleteRecursiveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('313', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\UnmanagedSaveDataTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('312', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\File\UnmanagedMoveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('315', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\RemoteFileDirectoryTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileManagedTestBase.php(27): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/SaveUploadTest.php(38): Drupal\file\Tests\FileManagedTestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/RemoteFileSaveUploadTest.php(29): Drupal\file\Tests\SaveUploadTest->setUp()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\file\Tests\RemoteFileSaveUploadTest->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('314', 'Drupal\file\Tes...')
    #9 {main}FATAL Drupal\file\Tests\RemoteFileSaveUploadTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('317', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\RemoteFileUnmanagedCopyTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/ScanDirectoryTest.php(31): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/RemoteFileScanDirectoryTest.php(29): Drupal\system\Tests\File\ScanDirectoryTest->setUp('file_test')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\File\RemoteFileScanDirectoryTest->setUp()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('316', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\File\RemoteFileScanDirectoryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('319', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\RemoteFileUnmanagedDeleteTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/RemoteFileUnmanagedDeleteRecursiveTest.php(29): Drupal\system\Tests\File\FileTestBase->setUp('file_test')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\File\RemoteFileUnmanagedDeleteRecursiveTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('318', 'Drupal\system\T...')
    #7 {main}FATAL Drupal\system\Tests\File\RemoteFileUnmanagedDeleteRecursiveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('321', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\File\RemoteFileUnmanagedSaveDataTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/FileTestBase.php(20): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/File/RemoteFileUnmanagedMoveTest.php(29): Drupal\system\Tests\File\FileTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\File\RemoteFileUnmanagedMoveTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('320', 'Drupal\system\T...')
    #7 {main}FATAL Drupal\system\Tests\File\RemoteFileUnmanagedMoveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('323', 'Drupal\filter\T...')
    #21 {main}FATAL Drupal\filter\Tests\FilterAPITest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/filter/lib/Drupal/filter/Tests/FilterAdminTest.php(34): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\filter\Tests\FilterAdminTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('322', 'Drupal\filter\T...')
    #6 {main}FATAL Drupal\filter\Tests\FilterAdminTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('325', 'Drupal\filter\T...')
    #21 {main}FATAL Drupal\filter\Tests\FilterDefaultConfigTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('326', 'Drupal\filter\T...')
    #21 {main}FATAL Drupal\filter\Tests\FilterDefaultFormatTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('327', 'Drupal\filter\T...')
    #21 {main}FATAL Drupal\filter\Tests\FilterFormatAccessTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest33013...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('324', 'Drupal\filter\T...')
    #9 {main}FATAL Drupal\filter\Tests\FilterCrudTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('329', 'Drupal\filter\T...')
    #21 {main}FATAL Drupal\filter\Tests\FilterHtmlImageSecureTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('330', 'Drupal\filter\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('328', 'Drupal\filter\T...')
    #5 {main}FATAL Drupal\filter\Tests\FilterHooksTest: test runner returned a non-zero error code (1).
    FATAL Drupal\filter\Tests\FilterNoFormatTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('332', 'Drupal\filter\T...')
    #21 {main}FATAL Drupal\filter\Tests\FilterSettingsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('333', 'Drupal\filter\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/entity_reference/lib/Drupal/entity_reference/Tests/EntityReferenceSelectionAccessTest.php(30): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\entity_reference\Tests\EntityReferenceSelectionAccessTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('232', 'Drupal\entity_r...')
    #6 {main}FATAL Drupal\filter\Tests\FilterUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/filter/lib/Drupal/filter/Tests/FilterSecurityTest.php(41): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\filter\Tests\FilterSecurityTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('331', 'Drupal\filter\T...')
    #6 {main}FATAL Drupal\entity_reference\Tests\EntityReferenceSelectionAccessTest: test runner returned a non-zero error code (1).
    FATAL Drupal\filter\Tests\FilterSecurityTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('334', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\AlterTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('336', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\CheckboxTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('338', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\ElementsLabelsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('337', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\ConfirmFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('340', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\ElementsVerticalTabsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('339', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\ElementsTableSelectTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('342', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\EmailTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('341', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\ElementTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('344', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\FormCacheTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('343', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\FileInclusionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('346', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\FormTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Form/FormObjectTest.php(34): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Form\FormObjectTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('345', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Form\FormObjectTest: test runner returned a non-zero error code (1).

    Fatal error: Call to a member function getTranslation() on a non-object in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/TranslationWebTest.php on line 142
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('348', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\LanguageSelectElementTest: test runner returned a non-zero error code (1).
    FATAL Drupal\field\Tests\TranslationWebTest: test runner returned a non-zero error code (255).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('350', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\RebuildTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('349', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\ProgrammaticTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('352', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\StateValuesCleanAdvancedTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('351', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\RedirectTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('354', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\StorageTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('353', 'Drupal\system\T...')
    #5 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('355', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\StateValuesCleanTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Form\SystemConfigFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('356', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('357', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\TriggeringElementTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Form\UrlTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('358', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Form\ValidationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('360', 'Drupal\forum\Te...')
    #21 {main}FATAL Drupal\forum\Tests\ForumBlockTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('359', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Form\WrapperTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('362', 'Drupal\forum\Te...')
    #21 {main}FATAL Drupal\forum\Tests\ForumNodeAccessTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/forum/lib/Drupal/forum/Tests/ForumIndexTest.php(34): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\forum\Tests\ForumIndexTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('361', 'Drupal\forum\Te...')
    #6 {main}FATAL Drupal\forum\Tests\ForumIndexTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('364', 'Drupal\forum\Te...')
    #21 {main}FATAL Drupal\forum\Tests\ForumUninstallTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/forum/lib/Drupal/forum/Tests/ForumTest.php(75): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\forum\Tests\ForumTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('363', 'Drupal\forum\Te...')
    #6 {main}FATAL Drupal\forum\Tests\ForumTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('366', 'Drupal\hal\Test...')
    #21 {main}FATAL Drupal\hal\Tests\NormalizeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('367', 'Drupal\help\Tes...')
    #21 {main}FATAL Drupal\help\Tests\HelpTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('368', 'Drupal\help\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/hal/lib/Drupal/hal/Tests/NormalizerTestBase.php(61): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\hal\Tests\NormalizerTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('365', 'Drupal\hal\Test...')
    #11 {main}FATAL Drupal\hal\Tests\DenormalizeTest: test runner returned a non-zero error code (1).
    FATAL Drupal\help\Tests\NoHelpTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('370', 'Drupal\image\Te...')
    #21 {main}FATAL Drupal\image\Tests\ImageAdminStylesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('371', 'Drupal\image\Te...')
    #21 {main}FATAL Drupal\image\Tests\ImageDimensionsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('369', 'Drupal\image\Te...')
    #5 {main}FATAL Drupal\image\Tests\FileMoveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('373', 'Drupal\image\Te...')
    #21 {main}FATAL Drupal\image\Tests\ImageFieldDefaultImagesTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Image/ToolkitTestBase.php(47): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/image/lib/Drupal/image/Tests/ImageEffectsTest.php(41): Drupal\system\Tests\Image\ToolkitTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\image\Tests\ImageEffectsTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('372', 'Drupal\image\Te...')
    #7 {main}FATAL Drupal\image\Tests\ImageEffectsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('375', 'Drupal\image\Te...')
    #21 {main}FATAL Drupal\image\Tests\ImageFieldValidateTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/image/lib/Drupal/image/Tests/ImageFieldTestBase.php(41): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\image\Tests\ImageFieldTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('374', 'Drupal\image\Te...')
    #6 {main}FATAL Drupal\image\Tests\ImageFieldDisplayTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('377', 'Drupal\image\Te...')
    #21 {main}FATAL Drupal\image\Tests\ImageStyleFlushTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('378', 'Drupal\image\Te...')
    #21 {main}FATAL Drupal\image\Tests\ImageStylesPathAndUrlTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field/lib/Drupal/field/Tests/FieldUnitTestBase.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/image/lib/Drupal/image/Tests/ImageItemTest.php(47): Drupal\field\Tests\FieldUnitTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\image\Tests\ImageItemTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('376', 'Drupal\image\Te...')
    #12 {main}FATAL Drupal\image\Tests\ImageItemTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('380', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Image\ToolkitGdTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('381', 'Drupal\system\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('379', 'Drupal\image\Te...')
    #5 {main}FATAL Drupal\image\Tests\ImageThemeFunctionTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Image\ToolkitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('383', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Installer\InstallerLanguageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('384', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Installer\InstallerTranslationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('385', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Installer\SiteNameTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('386', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1009): Symfony\Component\DependencyInjection\ContainerBuilder->get('database', 1)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1006): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Object(Symfony\Component\DependencyInjection\Reference))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(948): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Array)
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'router.route_pr...')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1009): Symfony\Component\DependencyInjection\ContainerBuilder->get('router.route_pr...', 1)
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(1006): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Object(Symfony\Component\DependencyInjection\Reference))
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(948): Symfony\Component\DependencyInjection\ContainerBuilder->resolveServices(Array)
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'url_generator')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(3380): Symfony\Component\DependencyInjection\ContainerBuilder->get('url_generator')
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(914): Drupal\simpletest\WebTestBase->prepareRequestForGenerator()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/InstallerTest.php(89): Drupal\simpletest\WebTestBase->rebuildContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\InstallerTest->setUp()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('382', 'Drupal\system\T...')
    #20 {main}FATAL Drupal\system\Tests\InstallerTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\KeyValueStore\DatabaseStorageExpirableTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('388', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\KeyValueStore\GarbageCollectionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('389', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/KeyValueStore/DatabaseStorageTest.php(29): db_create_table('key_value', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\KeyValueStore\DatabaseStorageTest->setUp()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('387', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\KeyValueStore\DatabaseStorageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\KeyValueStore\MemoryStorageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('391', 'Drupal\language...')
    #21 {main}FATAL Drupal\language\Tests\LanguageConfigurationElementTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('392', 'Drupal\language...')
    #21 {main}FATAL Drupal\language\Tests\LanguageConfigurationTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('390', 'Drupal\language...')
    #5 {main}FATAL Drupal\language\Tests\LanguageBrowserDetectionUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('394', 'Drupal\language...')
    #21 {main}FATAL Drupal\language\Tests\LanguageDependencyInjectionTest: test runner returned a non-zero error code (1).

    Fatal error: Call to a member function getMimeType() on a non-object in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/file.module on line 1579
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('393', 'Drupal\language...')
    #5 {main}FATAL Drupal\language\Tests\LanguageCustomLanguageConfigurationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('396', 'Drupal\language...')
    #21 {main}FATAL Drupal\file\Tests\FileFieldDisplayTest: test runner returned a non-zero error code (255).
    FATAL Drupal\language\Tests\LanguageNegotiationInfoTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('395', 'Drupal\language...')
    #5 {main}
    Fatal error: Call to a member function getFileUri() on a non-object in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileFieldTestBase.php on line 205

    Fatal error: Call to a member function getFileUri() on a non-object in /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/file/lib/Drupal/file/Tests/FileFieldTestBase.php on line 205
    FATAL Drupal\language\Tests\LanguageListTest: test runner returned a non-zero error code (1).
    FATAL Drupal\file\Tests\FileFieldRevisionTest: test runner returned a non-zero error code (255).
    FATAL Drupal\file\Tests\FileFieldValidateTest: test runner returned a non-zero error code (255).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/language/lib/Drupal/language/Tests/LanguageUILanguageNegotiationTest.php(62): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\language\Tests\LanguageUILanguageNegotiationTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('399', 'Drupal\language...')
    #6 {main}FATAL Drupal\language\Tests\LanguageUILanguageNegotiationTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/language/lib/Drupal/language/Tests/LanguageUrlRewritingTest.php(34): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\language\Tests\LanguageUrlRewritingTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('400', 'Drupal\language...')
    #6 {main}FATAL Drupal\language\Tests\LanguageUrlRewritingTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('403', 'Drupal\locale\T...')
    #21 {main}FATAL Drupal\locale\Tests\LocaleContentTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleConfigTranslationTest.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\locale\Tests\LocaleConfigTranslationTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('402', 'Drupal\locale\T...')
    #6 {main}FATAL Drupal\locale\Tests\LocaleConfigTranslationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('405', 'Drupal\locale\T...')
    #21 {main}FATAL Drupal\locale\Tests\LocaleImportFunctionalTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleExportTest.php(38): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\locale\Tests\LocaleExportTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('404', 'Drupal\locale\T...')
    #6 {main}FATAL Drupal\locale\Tests\LocaleExportTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('407', 'Drupal\locale\T...')
    #21 {main}FATAL Drupal\locale\Tests\LocaleLibraryInfoAlterTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('406', 'Drupal\locale\T...')
    #5 {main}FATAL Drupal\locale\Tests\LocaleJavascriptTranslation: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('409', 'Drupal\locale\T...')
    #21 {main}FATAL Drupal\locale\Tests\LocalePluralFormatTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocalePathTest.php(34): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\locale\Tests\LocalePathTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('408', 'Drupal\locale\T...')
    #6 {main}FATAL Drupal\locale\Tests\LocalePathTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Form/ArbitraryRebuildTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Form\ArbitraryRebuildTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('335', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Form\ArbitraryRebuildTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('411', 'Drupal\locale\T...')
    #5 {main}FATAL Drupal\locale\Tests\LocaleTranslationUiTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('413', 'Drupal\locale\T...')
    #21 {main}FATAL Drupal\locale\Tests\LocaleUninstallTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleUninstallTest.php(40): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleUninstallFrenchTest.php(28): Drupal\locale\Tests\LocaleUninstallTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\locale\Tests\LocaleUninstallFrenchTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('412', 'Drupal\locale\T...')
    #7 {main}FATAL Drupal\locale\Tests\LocaleUninstallFrenchTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('415', 'Drupal\locale\T...')
    #21 {main}FATAL Drupal\locale\Tests\LocaleUpdateInterfaceTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleUpdateBase.php(55): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleUpdateCronTest.php(33): Drupal\locale\Tests\LocaleUpdateBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\locale\Tests\LocaleUpdateCronTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('414', 'Drupal\locale\T...')
    #7 {main}Unique HTML IDs 5 passes, 2 fails, and 0 exceptions
    FATAL Drupal\locale\Tests\LocaleUpdateCronTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('418', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Lock\LockUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('417', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Lock\LockFunctionalTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('420', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Mail\MailTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('419', 'Drupal\system\T...')
    #5 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('421', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Mail\HtmlToTextTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Mail\WrapMailUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('423', 'Drupal\menu\Tes...')
    #21 {main}FATAL Drupal\menu\Tests\MenuNodeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('424', 'Drupal\menu\Tes...')
    #21 {main}FATAL Drupal\menu\Tests\MenuTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/menu/lib/Drupal/menu/Tests/MenuLanguageTest.php(36): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\menu\Tests\MenuLanguageTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('422', 'Drupal\menu\Tes...')
    #6 {main}FATAL Drupal\menu\Tests\MenuLanguageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('426', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Menu\LinksTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Menu/BreadcrumbTest.php(38): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Menu\BreadcrumbTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('425', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Menu\BreadcrumbTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('428', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Menu\LocalTasksTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('427', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Menu\LocalActionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('430', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Menu\MenuTranslateTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Menu/MenuRouterTest.php(56): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Menu\MenuRouterTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('429', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Menu\MenuRouterTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('432', 'Drupal\system\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('431', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Menu\TrailTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Menu\RebuildTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('434', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Menu\TreeDataUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('435', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Menu\TreeOutputTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('436', 'Drupal\minimal\...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest84149...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('433', 'Drupal\system\T...')
    #9 {main}FATAL Drupal\system\Tests\Menu\TreeAccessTest: test runner returned a non-zero error code (1).
    FATAL Drupal\minimal\Tests\MinimalTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('438', 'Drupal\system\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field_ui/lib/Drupal/field_ui/Tests/FieldUiTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/field_ui/lib/Drupal/field_ui/Tests/ManageFieldsTest.php(25): Drupal\field_ui\Tests\FieldUiTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\field_ui\Tests\ManageFieldsTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('277', 'Drupal\field_ui...')
    #7 {main}FATAL Drupal\system\Tests\Module\DependencyTest: test runner returned a non-zero error code (1).
    FATAL Drupal\field_ui\Tests\ManageFieldsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Module\ModuleTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('439', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Module\EnableDisableTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('441', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Module\InstallTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Module\ModuleTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('440', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Module\HookRequirementsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('443', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Module\ModuleEnableTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('442', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Module\ModuleApiTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('445', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Module\UninstallTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Module\ModuleTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('444', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Module\RequiredTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('447', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\Config\NodeImportChangeTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php(29): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Module\ModuleTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('446', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Module\VersionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('449', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\MultiStepNodeFormBasicOptionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('450', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeAccessBaseTableTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/Config/NodeImportCreateTest.php(30): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\Config\NodeImportCreateTest->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('448', 'Drupal\node\Tes...')
    #11 {main}FATAL Drupal\node\Tests\Config\NodeImportCreateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('452', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeAccessLanguageAwareCombinationTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeAccessFieldTest.php(54): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeAccessFieldTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('451', 'Drupal\node\Tes...')
    #7 {main}FATAL Drupal\node\Tests\NodeAccessFieldTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('454', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeAccessLanguageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('455', 'Drupal\node\Tes...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeAccessLanguageAwareTest.php(47): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeAccessLanguageAwareTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('453', 'Drupal\node\Tes...')
    #7 {main}FATAL Drupal\node\Tests\NodeAccessLanguageAwareTest: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\NodeAccessPagerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('457', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeAccessRecordsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('458', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeAccessTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeAccessRebuildTest.php(23): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeAccessRebuildTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('456', 'Drupal\node\Tes...')
    #7 {main}FATAL Drupal\node\Tests\NodeAccessRebuildTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('460', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeBlockFunctionalTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeAdminTest.php(31): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeAdminTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('459', 'Drupal\node\Tes...')
    #7 {main}FATAL Drupal\node\Tests\NodeAdminTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('462', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeCreationTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('461', 'Drupal\node\Tes...')
    #6 {main}FATAL Drupal\node\Tests\NodeBuildContentTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('464', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeFormButtonsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('463', 'Drupal\node\Tes...')
    #6 {main}FATAL Drupal\node\Tests\NodeEntityViewModeAlterTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('401', 'Drupal\layout\T...')
    #5 {main}FATAL Drupal\layout\Tests\LayoutDerivativesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('467', 'Drupal\node\Tes...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeLoadMultipleTest.php(31): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeLoadMultipleTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('466', 'Drupal\node\Tes...')
    #7 {main}FATAL Drupal\node\Tests\NodeLoadMultipleTest: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\NodePostSettingsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('468', 'Drupal\node\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('469', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeQueryAlterTest: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\NodeRevisionPermissionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('470', 'Drupal\node\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('471', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeRevisionsAllTestCase: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\NodeRevisionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('472', 'Drupal\node\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('473', 'Drupal\node\Tes...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/language/lib/Drupal/language/Tests/LanguageSwitchingTest.php(34): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\language\Tests\LanguageSwitchingTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('398', 'Drupal\language...')
    #6 {main}FATAL Drupal\node\Tests\NodeRSSContentTest: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\NodeSaveTest: test runner returned a non-zero error code (1).
    FATAL Drupal\language\Tests\LanguageSwitchingTest: test runner returned a non-zero error code (1).
    Paths on non-English monolingual sites 18 passes, 20 fails, and 1 exception
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeSyndicateBlockTest.php(31): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeSyndicateBlockTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('474', 'Drupal\node\Tes...')
    #7 {main}FATAL Drupal\node\Tests\NodeSyndicateBlockTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('478', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeTranslationUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('479', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeTypeInitialLanguageTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('477', 'Drupal\node\Tes...')
    #6 {main}FATAL Drupal\node\Tests\NodeTokenReplaceTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('481', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\NodeTypeTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('480', 'Drupal\node\Tes...')
    #6 {main}FATAL Drupal\node\Tests\NodeTypePersistenceTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('483', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\PageEditTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('484', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\PagePreviewTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeValidationTest.php(37): Drupal\simpletest\DrupalUnitTestBase->installSchema('node', 'node')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeValidationTest->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('482', 'Drupal\node\Tes...')
    #11 {main}FATAL Drupal\node\Tests\NodeValidationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('486', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\SummaryLengthTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('485', 'Drupal\node\Tes...')
    #6 {main}FATAL Drupal\node\Tests\PageViewTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('488', 'Drupal\overlay\...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleStringTest.php(46): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\locale\Tests\LocaleStringTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('410', 'Drupal\locale\T...')
    #6 {main}FATAL Drupal\overlay\Tests\OverlaySettingTest: test runner returned a non-zero error code (1).
    FATAL Drupal\locale\Tests\LocaleStringTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('490', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\ParamConverter\UpcastingTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Pager/PagerTest.php(36): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Pager\PagerTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('489', 'Drupal\system\T...')
    #6 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('491', 'Drupal\path\Tes...')
    #21 {main}FATAL Drupal\system\Tests\Pager\PagerTest: test runner returned a non-zero error code (1).
    FATAL Drupal\path\Tests\PathAliasTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('493', 'Drupal\path\Tes...')
    #21 {main}FATAL Drupal\path\Tests\PathLanguageUiTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('494', 'Drupal\path\Tes...')
    #21 {main}FATAL Drupal\path\Tests\PathTaxonomyTermTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/path/lib/Drupal/path/Tests/PathTestBase.php(25): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/path/lib/Drupal/path/Tests/PathLanguageTest.php(33): Drupal\path\Tests\PathTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\path\Tests\PathLanguageTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('492', 'Drupal\path\Tes...')
    #7 {main}FATAL Drupal\path\Tests\PathLanguageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('496', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Path\MatchPathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('497', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Path\UrlAlterFunctionalTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Path/PathUnitTestBase.php(27): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\system\Tests\Path\PathUnitTestBase->tearDown()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('495', 'Drupal\system\T...')
    #7 {main}FATAL Drupal\system\Tests\Path\AliasTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('499', 'Drupal\php\Test...')
    #21 {main}FATAL Drupal\php\Tests\PhpFilterTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/php/lib/Drupal/php/Tests/PhpTestBase.php(27): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\php\Tests\PhpTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('498', 'Drupal\php\Test...')
    #6 {main}FATAL Drupal\php\Tests\PhpAccessTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('501', 'Drupal\picture\...')
    #21 {main}FATAL Drupal\picture\Tests\PictureFieldDisplayTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/picture/lib/Drupal/picture/Tests/PictureAdminUITest.php(40): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\picture\Tests\PictureAdminUITest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('500', 'Drupal\picture\...')
    #6 {main}FATAL Drupal\picture\Tests\PictureAdminUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('503', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Plugin\CacheDecoratorLanguageTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Plugin/AlterDecoratorTest.php(43): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Plugin\AlterDecoratorTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('502', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Plugin\AlterDecoratorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('505', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest17260...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('504', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Plugin\ContextPluginTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Plugin\CacheDecoratorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('507', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest86221...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('506', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Plugin\Discovery\AnnotatedClassDiscoveryTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Plugin\DerivativeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('509', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest50775...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('508', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Plugin\Discovery\CustomDirectoryAnnotatedClassDiscoveryTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Plugin\Discovery\CustomAnnotationClassDiscoveryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('511', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest43611...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('510', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Plugin\Discovery\StaticDiscoveryTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Plugin\FactoryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('512', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('513', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Plugin\InspectionTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Plugin\PluginBagTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('514', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('515', 'Drupal\rdf\Test...')
    #21 {main}FATAL Drupal\system\Tests\Queue\QueueTest: test runner returned a non-zero error code (1).
    FATAL Drupal\rdf\Tests\CommentAttributesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('516', 'Drupal\rdf\Test...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('517', 'Drupal\rdf\Test...')
    #21 {main}FATAL Drupal\rdf\Tests\CrudTest: test runner returned a non-zero error code (1).
    FATAL Drupal\rdf\Tests\FileFieldAttributesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('519', 'Drupal\rdf\Test...')
    #21 {main}FATAL Drupal\rdf\Tests\GetRdfNamespacesTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('437', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Module\ClassLoaderTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('518', 'Drupal\rdf\Test...')
    #5 {main}FATAL Drupal\rdf\Tests\GetNamespacesTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/image/lib/Drupal/image/Tests/ImageFieldTestBase.php(41): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rdf/lib/Drupal/rdf/Tests/ImageFieldAttributesTest.php(55): Drupal\image\Tests\ImageFieldTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\rdf\Tests\ImageFieldAttributesTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('520', 'Drupal\rdf\Test...')
    #7 {main}FATAL Drupal\rdf\Tests\ImageFieldAttributesTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/node/lib/Drupal/node/Tests/NodeTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rdf/lib/Drupal/rdf/Tests/NodeAttributesTest.php(33): Drupal\node\Tests\NodeTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\rdf\Tests\NodeAttributesTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('521', 'Drupal\rdf\Test...')
    #7 {main}FATAL Drupal\rdf\Tests\NodeAttributesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.bare.standard_all.database.php.gz(128): db_create_table('accesslog', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rdf/lib/Drupal/rdf/Tests/RdfMappingUpgradePathTest.php(31): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\rdf\Tests\RdfMappingUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('523', 'Drupal\rdf\Test...')
    #10 {main}FATAL Drupal\rdf\Tests\RdfMappingUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('525', 'Drupal\rdf\Test...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest28945...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('522', 'Drupal\rdf\Test...')
    #9 {main}FATAL Drupal\rdf\Tests\RdfaAttributesTest: test runner returned a non-zero error code (1).
    FATAL Drupal\rdf\Tests\TaxonomyAttributesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('527', 'Drupal\rdf\Test...')
    #21 {main}FATAL Drupal\rdf\Tests\TrackerAttributesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('528', 'Drupal\rdf\Test...')
    #21 {main}FATAL Drupal\rdf\Tests\UserAttributesTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/taxonomy/lib/Drupal/taxonomy/Tests/TaxonomyTestBase.php(26): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rdf/lib/Drupal/rdf/Tests/TaxonomyTermFieldAttributesTest.php(47): Drupal\taxonomy\Tests\TaxonomyTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\rdf\Tests\TaxonomyTermFieldAttributesTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('526', 'Drupal\rdf\Test...')
    #7 {main}FATAL Drupal\rdf\Tests\TaxonomyTermFieldAttributesTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('530', 'Drupal\rest\Tes...')
    #21 {main}FATAL Drupal\rest\Tests\CreateTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rest/lib/Drupal/rest/Tests/RESTTestBase.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\rest\Tests\RESTTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('529', 'Drupal\rest\Tes...')
    #6 {main}FATAL Drupal\rest\Tests\AuthTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('532', 'Drupal\rest\Tes...')
    #21 {main}FATAL Drupal\rest\Tests\DeleteTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rest/lib/Drupal/rest/Tests/RESTTestBase.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rest/lib/Drupal/rest/Tests/DBLogTest.php(33): Drupal\rest\Tests\RESTTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\rest\Tests\DBLogTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('531', 'Drupal\rest\Tes...')
    #7 {main}FATAL Drupal\rest\Tests\DBLogTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('534', 'Drupal\rest\Tes...')
    #21 {main}FATAL Drupal\rest\Tests\ReadTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rest/lib/Drupal/rest/Tests/RESTTestBase.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\rest\Tests\RESTTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('533', 'Drupal\rest\Tes...')
    #6 {main}FATAL Drupal\rest\Tests\NodeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('536', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Routing\ControllerResolverTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/rest/lib/Drupal/rest/Tests/RESTTestBase.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\rest\Tests\RESTTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('535', 'Drupal\rest\Tes...')
    #6 {main}FATAL Drupal\rest\Tests\UpdateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('538', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest41451...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('537', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\Routing\MimeTypeMatcherTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Routing\MatcherDumperTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('540', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Routing/RouteProviderTest.php(48): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\system\Tests\Routing\RouteProviderTest->tearDown()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('539', 'Drupal\system\T...')
    #7 {main}FATAL Drupal\system\Tests\Routing\RouteProviderTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Routing\RouterPermissionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('542', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchAdvancedSearchFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('543', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchBlockTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('541', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Routing\RouterTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('545', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchCommentTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchCommentCountToggleTest.php(46): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchCommentCountToggleTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('544', 'Drupal\search\T...')
    #7 {main}FATAL Drupal\search\Tests\SearchCommentCountToggleTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('547', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchEmbedFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('548', 'Drupal\search\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchConfigSettingsFormTest.php(36): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchConfigSettingsFormTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('546', 'Drupal\search\T...')
    #7 {main}FATAL Drupal\search\Tests\SearchExactTest: test runner returned a non-zero error code (1).
    FATAL Drupal\search\Tests\SearchConfigSettingsFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('550', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchKeywordsConditionsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('549', 'Drupal\search\T...')
    #5 {main}FATAL Drupal\search\Tests\SearchExcerptTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('552', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchMatchTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchLanguageTest.php(31): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchLanguageTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('551', 'Drupal\search\T...')
    #7 {main}FATAL Drupal\search\Tests\SearchLanguageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('554', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchNodeAccessTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchMultilingualEntityTest.php(35): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchMultilingualEntityTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('553', 'Drupal\search\T...')
    #7 {main}FATAL Drupal\search\Tests\SearchMultilingualEntityTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('556', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchNumbersTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchNumberMatchingTest.php(29): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchNumberMatchingTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('555', 'Drupal\search\T...')
    #7 {main}FATAL Drupal\search\Tests\SearchNumberMatchingTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('558', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchPageTextTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchPageOverrideTest.php(33): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchPageOverrideTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('557', 'Drupal\search\T...')
    #7 {main}FATAL Drupal\search\Tests\SearchPageOverrideTest: test runner returned a non-zero error code (1).
    Node load hooks 7 passes, 0 fails, and 0 exceptions
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('560', 'Drupal\search\T...')
    #6 {main}FATAL Drupal\search\Tests\SearchRankingTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('562', 'Drupal\search\T...')
    #21 {main}FATAL Drupal\search\Tests\SearchTokenizerTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('561', 'Drupal\search\T...')
    #6 {main}FATAL Drupal\search\Tests\SearchSimplifyTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('564', 'Drupal\serializ...')
    #21 {main}FATAL Drupal\serialization\Tests\EntitySerializationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('565', 'Drupal\serializ...')
    #21 {main}FATAL Drupal\serialization\Tests\SerializationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/serialization/lib/Drupal/serialization/Tests/NormalizerTestBase.php(24): Drupal\simpletest\DrupalUnitTestBase->installSchema('entity_test', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/serialization/lib/Drupal/serialization/Tests/EntityResolverTest.php(34): Drupal\serialization\Tests\NormalizerTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\serialization\Tests\EntityResolverTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('563', 'Drupal\serializ...')
    #12 {main}FATAL Drupal\serialization\Tests\EntityResolverTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('567', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Session\SessionHttpsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('568', 'Drupal\system\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('566', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\ServiceProvider\ServiceProviderTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Session\SessionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('570', 'Drupal\shortcut...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('569', 'Drupal\shortcut...')
    #21 {main}FATAL Drupal\shortcut\Tests\ShortcutLinksTest: test runner returned a non-zero error code (1).
    FATAL Drupal\shortcut\Tests\ShortcutSetsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('571', 'Drupal\simplete...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('572', 'Drupal\simplete...')
    #21 {main}Overlay closing functionality 10 passes, 11 fails, and 0 exceptions
    FATAL Drupal\simpletest\Tests\BrokenSetUpTest: test runner returned a non-zero error code (1).
    FATAL Drupal\simpletest\Tests\BrowserTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('574', 'Drupal\simplete...')
    #21 {main}FATAL Drupal\simpletest\Tests\FolderTest: test runner returned a non-zero error code (1).
    Node title XSS filtering 17 passes, 9 fails, and 0 exceptions
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest91398...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('573', 'Drupal\simplete...')
    #9 {main}FATAL Drupal\simpletest\Tests\DrupalUnitTestBaseTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('578', 'Drupal\simplete...')
    #21 {main}FATAL Drupal\simpletest\Tests\OtherInstallationProfileModuleTestsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('579', 'Drupal\simplete...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/Tests/MissingCheckedRequirementsTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\Tests\MissingCheckedRequirementsTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('577', 'Drupal\simplete...')
    #6 {main}FATAL Drupal\simpletest\Tests\MissingCheckedRequirementsTest: test runner returned a non-zero error code (1).
    FATAL Drupal\simpletest\Tests\SimpleTestTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('581', 'Drupal\standard...')
    #21 {main}FATAL Drupal\standard\Tests\StandardTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('582', 'Drupal\statisti...')
    #21 {main}FATAL Drupal\statistics\Tests\StatisticsAdminTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('580', 'Drupal\simplete...')
    #5 {main}FATAL Drupal\simpletest\Tests\UserHelpersTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('584', 'Drupal\statisti...')
    #21 {main}FATAL Drupal\statistics\Tests\StatisticsReportsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/statistics/lib/Drupal/statistics/Tests/StatisticsLoggingTest.php(44): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\statistics\Tests\StatisticsLoggingTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('583', 'Drupal\statisti...')
    #6 {main}FATAL Drupal\statistics\Tests\StatisticsLoggingTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('586', 'Drupal\syslog\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/statistics/lib/Drupal/statistics/Tests/StatisticsTestBase.php(25): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\statistics\Tests\StatisticsTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('585', 'Drupal\statisti...')
    #6 {main}FATAL Drupal\statistics\Tests\StatisticsTokenReplaceTest: test runner returned a non-zero error code (1).
    FATAL Drupal\syslog\Tests\SyslogTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('588', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\FileTransfer\FileTransferTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('589', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\AccessDeniedTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest26336...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Common/TableSortExtenderUnitTest.php(43): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\system\Tests\Common\TableSortExtenderUnitTest->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('587', 'Drupal\system\T...')
    #9 {main}FATAL Drupal\system\Tests\Common\TableSortExtenderUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('591', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\AdminTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('590', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\System\AdminMetaTagTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('593', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\DateFormatsLanguageTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('592', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\System\CronRunTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('595', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\DateTimeTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('594', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\System\DateFormatsLockedTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('597', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\ErrorHandlerTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/System/DefaultMobileMetaTagsTest.php(23): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\System\DefaultMobileMetaTagsTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('596', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\System\DefaultMobileMetaTagsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('599', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest55754...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('598', 'Drupal\system\T...')
    #8 {main}FATAL Drupal\system\Tests\System\FloodTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\System\ExceptionControllerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('601', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\IgnoreSlaveSubscriberTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/System/FrontPageTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\System\FrontPageTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('600', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\System\FrontPageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('603', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\InfoAlterTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/System/IndexPhpTest.php(25): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\System\IndexPhpTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('602', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\System\IndexPhpTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('605', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\PageNotFoundTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/System/MainContentFallbackTest.php(36): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\System\MainContentFallbackTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('604', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\System\MainContentFallbackTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('607', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\PasswordHashingTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/System/PageTitleTest.php(42): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\System\PageTitleTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('606', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\System\PageTitleTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('609', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\SettingsRewriteTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('608', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\System\RetrieveFileTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('611', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\SiteMaintenanceTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('610', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\System\ShutdownFunctionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('613', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\System\ThemeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('614', 'Drupal\system\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/System/SystemAuthorizeTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\System\SystemAuthorizeTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('612', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\System\SystemAuthorizeTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\System\TokenReplaceTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('615', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('616', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\system\Tests\System\TokenScanTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\EfqTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('617', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('618', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\LegacyTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\LoadMultipleTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('620', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('619', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\RssTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\TaxonomyTermIndentationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('621', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('622', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\TaxonomyTermReferenceItemTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\TermFieldMultipleVocabularyTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('623', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('624', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\TermFieldTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\TermIndexTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('625', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('626', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\TermLanguageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\TermTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('627', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('628', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\TermTranslationUITest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\TermUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('629', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('630', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\ThemeTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\TokenReplaceTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('631', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('632', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\VocabularyLanguageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\VocabularyPermissionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('633', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('634', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\VocabularyTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\VocabularyUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('635', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('636', 'Drupal\editor\T...')
    #21 {main}FATAL Drupal\user\Tests\TempStoreDatabaseTest: test runner returned a non-zero error code (1).
    FATAL Drupal\editor\Tests\EditIntegrationLoadingTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('638', 'Drupal\editor\T...')
    #21 {main}FATAL Drupal\editor\Tests\EditorAdminTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('639', 'Drupal\editor\T...')
    #21 {main}FATAL Drupal\editor\Tests\EditorLoadingTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('640', 'Drupal\editor\T...')
    #21 {main}FATAL Drupal\editor\Tests\EditorManagerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('641', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/edit/lib/Drupal/edit/Tests/EditTestBase.php(29): Drupal\simpletest\DrupalUnitTestBase->installSchema('system', 'variable')
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/editor/lib/Drupal/editor/Tests/EditIntegrationTest.php(68): Drupal\edit\Tests\EditTestBase->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\editor\Tests\EditIntegrationTest->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('637', 'Drupal\editor\T...')
    #12 {main}FATAL Drupal\editor\Tests\EditIntegrationTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Theme\EntityFilteringThemeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('642', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('643', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Theme\FastTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Theme\FunctionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('644', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('645', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Theme\HtmlTplPhpAttributesTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Theme\RegistryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('646', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('647', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Theme\TableTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Theme\ThemeEarlyInitializationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('648', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('649', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Theme\ThemeInfoStylesTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Theme\ThemeTest: test runner returned a non-zero error code (1).
    SimpleTest e-mail capturing 12 passes, 0 fails, and 0 exceptions
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Theme/ThemeTestTwig.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Theme\ThemeTestTwig->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('651', 'Drupal\system\T...')
    #6 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Theme/ThemeTestPhpTemplate.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Theme\ThemeTestPhpTemplate->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('650', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Theme\ThemeTestPhpTemplate: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Theme\ThemeTestTwig: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('654', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Theme\TwigReferenceUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('652', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Theme\TwigDebugMarkupTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Theme/TwigExtensionTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Theme\TwigExtensionTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('653', 'Drupal\system\T...')
    #6 {main}FATAL Drupal\system\Tests\Theme\TwigExtensionTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('655', 'Drupal\system\T...')
    #5 {main}FATAL Drupal\system\Tests\Theme\TwigSettingsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Theme/TwigTransTest.php(64): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Theme\TwigTransTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('656', 'Drupal\system\T...')
    #6 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('658', 'Drupal\toolbar\...')
    #21 {main}FATAL Drupal\system\Tests\Theme\TwigTransTest: test runner returned a non-zero error code (1).
    FATAL Drupal\toolbar\Tests\ToolbarMenuTranslationTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/toolbar/lib/Drupal/toolbar/Tests/ToolbarHookToolbarTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\toolbar\Tests\ToolbarHookToolbarTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('657', 'Drupal\toolbar\...')
    #6 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('660', 'Drupal\tour\Tes...')
    #21 {main}FATAL Drupal\toolbar\Tests\ToolbarHookToolbarTest: test runner returned a non-zero error code (1).
    FATAL Drupal\tour\Tests\TourTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('661', 'Drupal\views_ui...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('662', 'Drupal\tracker\...')
    #21 {main}Installation profile module tests 8 passes, 10 fails, and 0 exceptions
    FATAL Drupal\views_ui\Tests\ViewsUITourTest: test runner returned a non-zero error code (1).
    FATAL Drupal\tracker\Tests\TrackerNodeAccessTest: test runner returned a non-zero error code (1).
    Tour plugin tests 2 passes, 0 fails, and 0 exceptions
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/translation/lib/Drupal/translation/Tests/TranslationTest.php(38): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\translation\Tests\TranslationTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('664', 'Drupal\translat...')
    #6 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/tracker/lib/Drupal/tracker/Tests/TrackerTest.php(48): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\tracker\Tests\TrackerTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('663', 'Drupal\tracker\...')
    #6 {main}FATAL Drupal\tracker\Tests\TrackerTest: test runner returned a non-zero error code (1).
    FATAL Drupal\translation\Tests\TranslationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('668', 'Drupal\update\T...')
    #21 {main}FATAL Drupal\update\Tests\UpdateContribTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest67881...')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(129): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\DrupalUnitTestBase->tearDown()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('665', 'Drupal\system\T...')
    #9 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleUpdateBase.php(55): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/locale/lib/Drupal/locale/Tests/LocaleUpdateTest.php(33): Drupal\locale\Tests\LocaleUpdateBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\locale\Tests\LocaleUpdateTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('416', 'Drupal\locale\T...')
    #7 {main}FATAL Drupal\system\Tests\Transliteration\TransliterationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/TypedData/TypedDataTest.php(45): Drupal\simpletest\DrupalUnitTestBase->installSchema('file', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\TypedData\TypedDataTest->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('666', 'Drupal\system\T...')
    #11 {main}FATAL Drupal\locale\Tests\LocaleUpdateTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\TypedData\TypedDataTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('672', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(670): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(1037): db_find_tables('simpletest8785%')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(767): Drupal\simpletest\TestBase->tearDown()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('670', 'Drupal\update\T...')
    #8 {main}FATAL Drupal\system\Tests\Update\DependencyHookInvocationTest: test runner returned a non-zero error code (1).
    FATAL Drupal\update\Tests\UpdateCoreUnitTest: test runner returned a non-zero error code (1).
    Node title 20 passes, 1 fail, and 1 exception
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Update/DependencyOrderingTest.php(33): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Update\DependencyOrderingTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('674', 'Drupal\system\T...')
    #6 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('675', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Update\DependencyOrderingTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Upgrade\ActionUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('677', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Upgrade\BareMinimalNoConfigUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('678', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.bare.minimal.database.php.gz(60): db_create_table('actions', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareMinimalUpgradePathTest.php(35): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareMinimalAnonymousUpgradePathTest.php(27): Drupal\system\Tests\Upgrade\BareMinimalUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\BareMinimalAnonymousUpgradePathTest->setUp()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('676', 'Drupal\system\T...')
    #11 {main}FATAL Drupal\system\Tests\Upgrade\BareMinimalUpgradePathTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Upgrade\BareMinimalAnonymousUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('680', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Upgrade\BlockUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.bare.standard_all.database.php.gz(128): db_create_table('accesslog', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/BareStandardUpgradePathTest.php(35): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\BareStandardUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('679', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Upgrade\BareStandardUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('682', 'Drupal\system\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchTestBase.php(22): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/search/lib/Drupal/search/Tests/SearchPreprocessLangcodeTest.php(30): Drupal\search\Tests\SearchTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\search\Tests\SearchPreprocessLangcodeTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('559', 'Drupal\search\T...')
    #7 {main}FATAL Drupal\system\Tests\Upgrade\ExistingModuleNameLengthUpgradePathTest: test runner returned a non-zero error code (1).
    FATAL Drupal\search\Tests\SearchPreprocessLangcodeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('684', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Upgrade\FieldUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.filled.standard_all.database.php.gz(128): db_create_table('accesslog', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/FieldUIUpgradePathTest.php(33): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\FieldUIUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('683', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Upgrade\FieldUIUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('686', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.filled.minimal.database.php.gz(60): db_create_table('actions', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilledMinimalUpgradePathTest.php(34): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\FilledMinimalUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('685', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Upgrade\FilledStandardUpgradePathTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Upgrade\FilledMinimalUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('688', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Upgrade\ImageUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.bare.standard_all.database.php.gz(128): db_create_table('accesslog', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/FilterFormatUpgradePathTest.php(34): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\FilterFormatUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('687', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Upgrade\FilterFormatUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('690', 'Drupal\system\T...')
    #21 {main}Date upgrade test 4 passes, 1 fail, and 2 exceptions
    FATAL Drupal\system\Tests\Upgrade\MailUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('692', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.bare.minimal.database.php.gz(60): db_create_table('actions', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/ModuleNameLengthUpgradePathTest.php(30): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\ModuleNameLengthUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('691', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Upgrade\ModulesDisabledUpgradePathTest: test runner returned a non-zero error code (1).
    FATAL Drupal\system\Tests\Upgrade\ModuleNameLengthUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('694', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Upgrade\StateSystemUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.bare.standard_all.database.php.gz(128): db_create_table('accesslog', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/ShortcutUpgradePathTest.php(33): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\ShortcutUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('693', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Upgrade\ShortcutUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('696', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Upgrade\UserPictureUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.bare.standard_all.database.php.gz(128): db_create_table('accesslog', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/SystemUpgradePathTest.php(27): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\SystemUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('695', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Upgrade\SystemUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('698', 'Drupal\system\T...')
    #21 {main}FATAL Drupal\system\Tests\Upgrade\UuidUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.bare.standard_all.database.php.gz(128): db_create_table('accesslog', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UserRoleUpgradePathTest.php(31): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\UserRoleUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('697', 'Drupal\system\T...')
    #10 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('699', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\system\Tests\Upgrade\UserRoleUpgradePathTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserAccountLinksTests: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('700', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('701', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserAdminListingTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserAdminSettingsFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('702', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('703', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserAdminTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserAutocompleteTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('704', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('705', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserBlocksTests: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserCancelTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('706', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('707', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserCreateFailMailTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserCreateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('708', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('709', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserDeleteTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserEditedOwnAccountTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('710', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('711', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserEditTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserEntityCallbacksTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('712', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('713', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserEntityTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserLanguageCreationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('714', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('715', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserLanguageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserLoginTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('716', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('717', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserPasswordResetTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserPermissionsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('718', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('719', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserPictureTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserRegistrationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('720', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('721', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserRoleAdminTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserRolesAssignmentTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('723', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserSearchTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('724', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserSignatureTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('722', 'Drupal\user\Tes...')
    #5 {main}FATAL Drupal\user\Tests\UserSaveTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('726', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserTokenReplaceTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('727', 'Drupal\user\Tes...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('725', 'Drupal\user\Tes...')
    #5 {main}FATAL Drupal\user\Tests\UserTimeZoneTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserTranslationUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('728', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('729', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\UserValidateCurrentPassCustomFormTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\UserValidationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('730', 'Drupal\system\T...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('731', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\system\Tests\Uuid\UuidUnitTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\BasicTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('732', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('733', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\DefaultViewsTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\ModuleTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('734', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('735', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\PluginInstanceTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\QueryGroupByTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('736', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('737', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\TokenReplaceTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\ViewElementTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('739', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\ViewPageControllerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('740', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\ViewRenderTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('741', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\ViewsDataTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(959): call_user_func_array(Array, Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object(Symfony\Component\DependencyInjection\Definition), 'database')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(237): Symfony\Component\DependencyInjection\ContainerBuilder->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewExecutableTest.php(85): Drupal\simpletest\DrupalUnitTestBase->installSchema('user', Array)
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewExecutableTest->setUpFixtures()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('738', 'Drupal\views\Te...')
    #12 {main}FATAL Drupal\views\Tests\ViewExecutableTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('743', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\ViewsTaxonomyAutocompleteTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(597): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/tests/upgrade/drupal-7.filled.standard_all.database.php.gz(128): db_create_table('accesslog', Array)
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/UpgradePathTestBase.php(139): require('/var/lib/drupal...')
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/system/lib/Drupal/system/Tests/Upgrade/LanguageUpgradePathTest.php(35): Drupal\system\Tests\Upgrade\UpgradePathTestBase->setUp()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\system\Tests\Upgrade\LanguageUpgradePathTest->setUp()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('689', 'Drupal\system\T...')
    #10 {main}FATAL Drupal\system\Tests\Upgrade\LanguageUpgradePathTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewsHooksTest.php(63): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewsHooksTest->setUp()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('742', 'Drupal\views\Te...')
    #19 {main}FATAL Drupal\views\Tests\ViewsHooksTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('746', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\AnalyzeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('747', 'Drupal\comment\...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('745', 'Drupal\views\Te...')
    #18 {main}FATAL Drupal\comment\Tests\Views\DefaultViewRecentComments: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\ViewStorageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('749', 'Drupal\file\Tes...')
    #21 {main}FATAL Drupal\file\Tests\Views\ExtensionViewsFieldTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('748', 'Drupal\views\Te...')
    #6 {main}FATAL Drupal\views\Tests\GlossaryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('751', 'Drupal\language...')
    #21 {main}FATAL Drupal\language\Tests\Views\FieldLanguageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('752', 'Drupal\language...')
    #21 {main}FATAL Drupal\language\Tests\Views\FilterLanguageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('753', 'Drupal\views\Te...')
    #21 {main}Missing update dependencies 4 passes, 0 fails, and 0 exceptions
    FATAL Drupal\views\Tests\Entity\FilterEntityBundleTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('755', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\AreaHTTPStatusCodeTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Handler/AreaEntityTest.php(43): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Handler\AreaEntityTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('754', 'Drupal\views\Te...')
    #7 {main}FATAL Drupal\views\Tests\Handler\AreaEntityTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('757', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\AreaTextTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Handler/AreaTest.php(41): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Handler\AreaTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('756', 'Drupal\views\Te...')
    #7 {main}FATAL Drupal\views\Tests\Handler\AreaTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('759', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\ArgumentDateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('760', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\ArgumentNullTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('761', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('758', 'Drupal\views\Te...')
    #18 {main}FATAL Drupal\views\Tests\Handler\ArgumentStringTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('762', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\AreaTitleTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Handler\FieldBooleanTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('764', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FieldCustomTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('765', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FieldDateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('766', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FieldDropButtonTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('767', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FieldFileSizeTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('763', 'Drupal\views\Te...')
    #18 {main}Argument: Language 8 passes, 0 fails, and 0 exceptions
    FATAL Drupal\views\Tests\Handler\FieldCounterTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('770', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FieldWebTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('771', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FieldXssTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('772', 'Drupal\views\Te...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/update/lib/Drupal/update/Tests/UpdateCoreTest.php(31): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\update\Tests\UpdateCoreTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('669', 'Drupal\update\T...')
    #6 {main}FATAL Drupal\views\Tests\Handler\FilterBooleanOperatorStringTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Handler/FieldUrlTest.php(35): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Handler\FieldUrlTest->setUp()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('769', 'Drupal\views\Te...')
    #19 {main}FATAL Drupal\update\Tests\UpdateCoreTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Handler\FieldUrlTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('775', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FilterDateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Handler/FilterBooleanOperatorTest.php(46): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Handler\FilterBooleanOperatorTest->setUp()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('773', 'Drupal\views\Te...')
    #19 {main}FATAL Drupal\views\Tests\Handler\FilterBooleanOperatorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('777', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FilterInOperatorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('778', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Handler/FilterEqualityTest.php(39): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Handler\FilterEqualityTest->setUp()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('776', 'Drupal\views\Te...')
    #19 {main}FATAL Drupal\views\Tests\Handler\FilterNumericTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Handler\FilterEqualityTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('780', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\HandlerAliasTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('781', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\HandlerAllTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('782', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Handler/FilterStringTest.php(39): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Handler\FilterStringTest->setUp()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('779', 'Drupal\views\Te...')
    #19 {main}FATAL Drupal\views\Tests\Handler\HandlerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('783', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\FilterStringTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Handler\RelationshipTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('784', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('785', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Handler\SortDateTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Handler\SortRandomTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('787', 'Drupal\aggregat...')
    #21 {main}FATAL Drupal\aggregator\Tests\Views\IntegrationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('788', 'Drupal\block\Te...')
    #21 {main}FATAL Drupal\block\Tests\Views\DisplayBlockTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('789', 'Drupal\comment\...')
    #21 {main}FATAL Drupal\comment\Tests\Views\ArgumentUserUIDTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('790', 'Drupal\comment\...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('786', 'Drupal\views\Te...')
    #18 {main}FATAL Drupal\comment\Tests\Views\CommentRowTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Handler\SortTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('792', 'Drupal\comment\...')
    #21 {main}Filter: Combine 5 passes, 0 fails, and 0 exceptions
    FATAL Drupal\comment\Tests\Views\RowRssTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('793', 'Drupal\contact\...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('794', 'Drupal\contact\...')
    #21 {main}FATAL Drupal\contact\Tests\Views\ContactFieldsTest: test runner returned a non-zero error code (1).
    FATAL Drupal\contact\Tests\Views\ContactLinkTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('795', 'Drupal\content_...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('796', 'Drupal\content_...')
    #21 {main}FATAL Drupal\content_translation\Tests\Views\ContentTranslationViewsUITest: test runner returned a non-zero error code (1).
    FATAL Drupal\content_translation\Tests\Views\TranslationLinkTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('797', 'Drupal\entity_r...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('798', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\entity_reference\Tests\Views\SelectionTest: test runner returned a non-zero error code (1).
    FATAL Drupal\field\Tests\Views\ApiDataTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('799', 'Drupal\field\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('800', 'Drupal\forum\Te...')
    #21 {main}FATAL Drupal\field\Tests\Views\HandlerFieldFieldTest: test runner returned a non-zero error code (1).
    FATAL Drupal\forum\Tests\Views\ForumIntegrationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('801', 'Drupal\history\...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('802', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\history\Tests\Views\HistoryTimestampTest: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\Views\BulkFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('803', 'Drupal\node\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('804', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\Views\FieldTypeTest: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\Views\FilterUidRevisionTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('805', 'Drupal\node\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('806', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\Views\FrontpageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\Views\NodeIntegrationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('807', 'Drupal\node\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('808', 'Drupal\node\Tes...')
    #21 {main}FATAL Drupal\node\Tests\Views\RevisionRelationships: test runner returned a non-zero error code (1).
    FATAL Drupal\node\Tests\Views\RowPluginTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('809', 'Drupal\node\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('810', 'Drupal\statisti...')
    #21 {main}FATAL Drupal\node\Tests\Views\StatusExtraTest: test runner returned a non-zero error code (1).
    FATAL Drupal\statistics\Tests\Views\IntegrationTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('811', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('812', 'Drupal\taxonomy...')
    #21 {main}FATAL Drupal\taxonomy\Tests\Views\RelationshipNodeTermDataTest: test runner returned a non-zero error code (1).
    FATAL Drupal\taxonomy\Tests\Views\RelationshipRepresentativeNode: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('813', 'Drupal\taxonomy...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('814', 'Drupal\tracker\...')
    #21 {main}FATAL Drupal\taxonomy\Tests\Views\TaxonomyIndexTidUiTest: test runner returned a non-zero error code (1).
    FATAL Drupal\tracker\Tests\Views\TrackerUserUidTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('816', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('815', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\Views\AccessPermissionTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\Views\AccessRoleTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('817', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('818', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\Views\ArgumentDefaultTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\Views\ArgumentValidateTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('819', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('820', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\Views\BulkFormTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\Views\HandlerArgumentUserUidTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('821', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('822', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\Views\HandlerFieldPermissionTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\Views\HandlerFieldRoleTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('768', 'Drupal\views\Te...')
    #18 {main}FATAL Drupal\views\Tests\Handler\FieldUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/user/lib/Drupal/user/Tests/Views/UserTestBase.php(40): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\user\Tests\Views\UserTestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('823', 'Drupal\user\Tes...')
    #7 {main}FATAL Drupal\user\Tests\Views\HandlerFieldUserNameTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('826', 'Drupal\user\Tes...')
    #21 {main}FATAL Drupal\user\Tests\Views\RelationshipRepresentativeNode: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('827', 'Drupal\user\Tes...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/user/lib/Drupal/user/Tests/Views/UserUnitTestBase.php(47): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\user\Tests\Views\UserUnitTestBase->setUp()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('824', 'Drupal\user\Tes...')
    #19 {main}FATAL Drupal\user\Tests\Views\HandlerFilterPermissionTest: test runner returned a non-zero error code (1).
    FATAL Drupal\user\Tests\Views\UserDataTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('829', 'Drupal\php\Test...')
    #21 {main}FATAL Drupal\php\Tests\Plugin\views\PhpArgumentValidatorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('830', 'Drupal\rest\Tes...')
    #21 {main}FATAL Drupal\rest\Tests\Views\StyleSerializerTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('828', 'Drupal\views\Te...')
    #6 {main}FATAL Drupal\views\Tests\Entity\FieldEntityTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('832', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\ArgumentDefaultTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('833', 'Drupal\views\Te...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Plugin/AccessTest.php(36): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Plugin\AccessTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('831', 'Drupal\views\Te...')
    #7 {main}FATAL Drupal\views\Tests\Plugin\AccessTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Plugin\ArgumentValidatorTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('835', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\DisplayAttachmentTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('836', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\DisplayExtenderTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('837', 'Drupal\views\Te...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Plugin/CacheTest.php(35): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Plugin\CacheTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('834', 'Drupal\views\Te...')
    #7 {main}FATAL Drupal\views\Tests\Plugin\CacheTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Plugin\DisplayFeedTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('839', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\DisplayPageWebTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('840', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\DisplayTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('841', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\DisplayUnitTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('842', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\ExposedFormTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Plugin/DisplayPageTest.php(57): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Plugin\DisplayPageTest->setUp()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('838', 'Drupal\views\Te...')
    #19 {main}FATAL Drupal\views\Tests\Plugin\DisplayPageTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('844', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\JoinTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Plugin/FilterTest.php(42): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Plugin\FilterTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('843', 'Drupal\views\Te...')
    #7 {main}FATAL Drupal\views\Tests\Plugin\FilterTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('846', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\PagerTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Plugin/MiniPagerTest.php(40): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Plugin\MiniPagerTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('845', 'Drupal\views\Te...')
    #7 {main}FATAL Drupal\views\Tests\Plugin\MiniPagerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('848', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\RowEntityTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('849', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\StyleGridTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('850', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('847', 'Drupal\views\Te...')
    #18 {main}FATAL Drupal\views\Tests\Plugin\StyleMappingTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Plugin\QueryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('852', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\StyleTableUnitTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTableTest.php(31): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Plugin\StyleTableTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('851', 'Drupal\views\Te...')
    #7 {main}FATAL Drupal\views\Tests\Plugin\StyleTableTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('854', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Plugin\StyleUnformattedTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Plugin/StyleTest.php(46): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Plugin\StyleTest->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('853', 'Drupal\views\Te...')
    #7 {main}FATAL Drupal\views\Tests\Plugin\StyleTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('856', 'Drupal\field\Te...')
    #21 {main}FATAL Drupal\field\Tests\Views\FieldUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('857', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\CachedDataUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('858', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\CustomBooleanTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/database.inc(641): Drupal\Core\Database\Database::getConnection()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/views.module(706): db_table_exists('router')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Entity/View.php(325): views_invalidate_cache()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(431): Drupal\views\Entity\View->postSave(Object(Drupal\views\ViewStorageController), false)
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Entity/Entity.php(357): Drupal\Core\Config\Entity\ConfigStorageController->save(Object(Drupal\views\Entity\View))
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php(477): Drupal\Core\Entity\Entity->save()
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(299): Drupal\Core\Config\Entity\ConfigStorageController->importCreate('views.view.arch...', Object(Drupal\Core\Config\Config), Object(Drupal\Core\Config\Config))
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Config/ConfigImporter.php(221): Drupal\Core\Config\ConfigImporter->importInvokeOwner()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/config.inc(39): Drupal\Core\Config\ConfigImporter->import()
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php(202): config_install_default_config('module', 'views')
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(52): Drupal\simpletest\DrupalUnitTestBase->installConfig(Array)
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php(38): Drupal\views\Tests\ViewUnitTestBase->setUpFixtures()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/Plugin/ViewsBlockTest.php(46): Drupal\views\Tests\ViewUnitTestBase->setUp()
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views\Tests\Plugin\ViewsBlockTest->setUp()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('855', 'Drupal\views\Te...')
    #19 {main}FATAL Drupal\views\Tests\Plugin\ViewsBlockTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('860', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\DisplayAttachmentTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views_ui/lib/Drupal/views_ui/Tests/UITestBase.php(39): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views_ui\Tests\UITestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('859', 'Drupal\views_ui...')
    #7 {main}FATAL Drupal\views_ui\Tests\DefaultViewsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('862', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\DisplayPath: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('863', 'Drupal\views_ui...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views_ui/lib/Drupal/views_ui/Tests/UITestBase.php(39): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views_ui\Tests\UITestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('861', 'Drupal\views_ui...')
    #7 {main}FATAL Drupal\views_ui\Tests\DisplayTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views_ui\Tests\DisplayExtenderUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('865', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\FieldUITest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views_ui/lib/Drupal/views_ui/Tests/UITestBase.php(39): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views_ui/lib/Drupal/views_ui/Tests/ExposedFormUITest.php(31): Drupal\views_ui\Tests\UITestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views_ui\Tests\ExposedFormUITest->setUp()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('864', 'Drupal\views_ui...')
    #8 {main}FATAL Drupal\views_ui\Tests\ExposedFormUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('867', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\GroupByTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views_ui/lib/Drupal/views_ui/Tests/UITestBase.php(39): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views_ui\Tests\UITestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('866', 'Drupal\views_ui...')
    #7 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('868', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\FilterBooleanWebTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views_ui\Tests\HandlerTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('869', 'Drupal\views_ui...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('870', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\OverrideDisplaysTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views_ui\Tests\PreviewTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('871', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\QueryTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('873', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\RedirectTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views_ui/lib/Drupal/views_ui/Tests/UITestBase.php(39): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views_ui\Tests\UITestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('872', 'Drupal\views_ui...')
    #7 {main}FATAL Drupal\views_ui\Tests\RearrangeFieldsTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('875', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\SettingsTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views_ui/lib/Drupal/views_ui/Tests/UITestBase.php(39): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views_ui\Tests\UITestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('874', 'Drupal\views_ui...')
    #7 {main}FATAL Drupal\views_ui\Tests\RowUITest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('877', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\StyleUITest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php(35): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/views_ui/lib/Drupal/views_ui/Tests/UITestBase.php(39): Drupal\views\Tests\ViewTestBase->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\views_ui\Tests\UITestBase->setUp()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('876', 'Drupal\views_ui...')
    #7 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('878', 'Drupal\views_ui...')
    #21 {main}FATAL Drupal\views_ui\Tests\StorageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views_ui\Tests\TagTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('879', 'Drupal\comment\...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('880', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\comment\Tests\Views\WizardTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Wizard\BasicTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('881', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('882', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Wizard\ItemsPerPageTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Wizard\MenuTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('883', 'Drupal\views\Te...')
    #21 {main}exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('884', 'Drupal\views\Te...')
    #21 {main}FATAL Drupal\views\Tests\Wizard\SortingTest: test runner returned a non-zero error code (1).
    FATAL Drupal\views\Tests\Wizard\TaggedWithTest: test runner returned a non-zero error code (1).
    exception 'PDOException' with message 'SQLSTATE[08004] [1040] Too many connections' in /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php:85
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php(85): PDO->__construct('mysql:host=loca...', 'drupaltestbot-m...', 'SQ3tdtKfpeKO', Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(385): Drupal\Core\Database\Driver\mysql\Connection::open(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Database/Database.php(171): Drupal\Core\Database\Database::openConnection('default', 'default')
    #3 [internal function]: Drupal\Core\Database\Database::getConnection('default')
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1383): call_user_func(Array, 'default')
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getDatabaseService()
    #6 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(860): Symfony\Component\DependencyInjection\Container->get('database')
    #7 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_Backend_DatabaseService()
    #8 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/Cache/CacheFactory.php(62): Symfony\Component\DependencyInjection\Container->get('cache.backend.d...')
    #9 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(925): Drupal\Core\Cache\CacheFactory->get('config')
    #10 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getCache_ConfigService()
    #11 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1150): Symfony\Component\DependencyInjection\Container->get('cache.config')
    #12 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_StorageService()
    #13 /var/lib/drupaltestbot/sites/default/files/checkout/sites/default/files/php/service_container/service_container_prod.php/d81a37bfc7b557afa56030f72ad5c65cc2e6ce6115fe2f8f455c70dd1e75eb82.php(1137): Symfony\Component\DependencyInjection\Container->get('config.storage')
    #14 /var/lib/drupaltestbot/sites/default/files/checkout/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(298): service_container_prod->getConfig_FactoryService()
    #15 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(425): Symfony\Component\DependencyInjection\Container->get('config.factory')
    #16 /var/lib/drupaltestbot/sites/default/files/checkout/core/lib/Drupal/Core/DrupalKernel.php(191): Drupal\Core\DrupalKernel->initializeContainer()
    #17 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(2003): Drupal\Core\DrupalKernel->boot()
    #18 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/bootstrap.inc(1806): _drupal_bootstrap_kernel()
    #19 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(476): drupal_bootstrap(5)
    #20 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('886', 'Drupal\xmlrpc\T...')
    #21 {main}exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/update/lib/Drupal/update/Tests/UpdateUploadTest.php(31): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\update\Tests\UpdateUploadTest->setUp()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #5 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('671', 'Drupal\update\T...')
    #6 {main}FATAL Drupal\xmlrpc\Tests\XmlRpcBasicTest: test runner returned a non-zero error code (1).
    FATAL Drupal\update\Tests\UpdateUploadTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('887', 'Drupal\xmlrpc\T...')
    #5 {main}FATAL Drupal\xmlrpc\Tests\XmlRpcMessagesTest: test runner returned a non-zero error code (1).
    exception 'Exception' with message 'To start over, you must empty your existing database, delete your active configuration, and copy default.settings.php over settings.php.To install to a different database, edit the appropriate settings.php file in the sites folder.To locate your active configuration, view the appropriate settings.php file in the sites folder.To upgrade an existing installation, proceed to the update script.View your existing site.' in /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc:487
    Stack trace:
    #0 /var/lib/drupaltestbot/sites/default/files/checkout/core/includes/install.core.inc(90): install_begin_request(Array)
    #1 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php(781): install_drupal(Array)
    #2 /var/lib/drupaltestbot/sites/default/files/checkout/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php(758): Drupal\simpletest\WebTestBase->setUp()
    #3 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(486): Drupal\simpletest\TestBase->run()
    #4 /var/lib/drupaltestbot/sites/default/files/checkout/core/scripts/run-tests.sh(23): simpletest_script_run_one_test('888', 'Drupal\xmlrpc\T...')
    #5 {main} 28 passes, 0 fails, and 0 exceptions
    DateTimePlus 1 pass, 0 fails, and 0 exceptions
    YamlDiscovery 1 pass, 0 fails, and 0 exceptions
    Wizard Plugin Base 13 passes, 0 fails, and 0 exceptions
    Directed acyclic graph manipulation 1 pass, 0 fails, and 0 exceptions
     5 passes, 0 fails, and 0 exceptions
    View template tests 2 passes, 0 fails, and 0 exceptions
    Simple file storage 2 passes, 0 fails, and 0 exceptions
    MTime protected fast file storage 2 passes, 0 fails, and 0 exceptions
    Crypt generator tests 1 pass, 0 fails, and 0 exceptions
    JSON 5 passes, 0 fails, and 0 exceptions
     4 passes, 0 fails, and 0 exceptions
    NestedArray functionality 6 passes, 0 fails, and 0 exceptions
    Random data generation tests 7 passes, 0 fails, and 0 exceptions
    Read-only settings test 3 passes, 0 fails, and 0 exceptions
     22 passes, 0 fails, and 0 exceptions
    Comment: User UID Filter 9 passes, 0 fails, and 0 exceptions
     30 passes, 0 fails, and 0 exceptions
    String filtering tests 1 pass, 0 fails, and 0 exceptions
    Timer test 1 pass, 0 fails, and 0 exceptions
     93 passes, 0 fails, and 0 exceptions
     83 passes, 0 fails, and 0 exceptions
     55 passes, 0 fails, and 0 exceptions
    Xss filter tests 2 passes, 0 fails, and 0 exceptions
    Access manager tests 6 passes, 0 fails, and 0 exceptions
     12 passes, 0 fails, and 0 exceptions
    CsrfTokenGenerator test 2 passes, 0 fails, and 0 exceptions
    DefaultAccessCheck access checker 2 passes, 0 fails, and 0 exceptions
    CSS asset collection grouper functionality 1 pass, 0 fails, and 0 exceptions
    CSS asset collection renderer functionality 2 passes, 0 fails, and 0 exceptions
     7 passes, 0 fails, and 0 exceptions
    CSS asset optimizer functionality 3 passes, 0 fails, and 0 exceptions
     6 passes, 0 fails, and 0 exceptions
     18 passes, 0 fails, and 0 exceptions
    Backend chain implementation 9 passes, 0 fails, and 0 exceptions
    CacheCollector test 14 passes, 0 fails, and 0 exceptions
    Cache NullBackend test 1 pass, 0 fails, and 0 exceptions
     6 passes, 0 fails, and 0 exceptions
    HTML Attributes 1 pass, 0 fails, and 0 exceptions
    DiffArray functionality 1 pass, 0 fails, and 0 exceptions
     3 passes, 0 fails, and 0 exceptions
    Render wrapper 1 pass, 0 fails, and 0 exceptions
    Autocomplete tags 1 pass, 0 fails, and 0 exceptions
    Config cached storage test 4 passes, 0 fails, and 0 exceptions
    Controller Resolver tests 1 pass, 0 fails, and 0 exceptions
    Empty statement 3 passes, 0 fails, and 0 exceptions
    Entity route enhancer test 1 pass, 0 fails, and 0 exceptions
    Entity route enhancer test 1 pass, 0 fails, and 0 exceptions
    Entity access check test 2 passes, 0 fails, and 0 exceptions
    Entity create access check test 1 pass, 0 fails, and 0 exceptions
     4 passes, 0 fails, and 0 exceptions
     5 passes, 0 fails, and 0 exceptions
    Reverse proxy implementation 2 passes, 0 fails, and 0 exceptions
     14 passes, 0 fails, and 0 exceptions
    ModuleHandler functionality 1 pass, 0 fails, and 0 exceptions
    HttpKernel (Unit) 1 pass, 0 fails, and 0 exceptions
    Image class functionality 27 passes, 0 fails, and 0 exceptions
    Local tasks manager. 3 passes, 0 fails, and 0 exceptions
     9 passes, 0 fails, and 0 exceptions
    Parameter converter manager 1 pass, 0 fails, and 0 exceptions
    Path Processor Unit Tests 1 pass, 0 fails, and 0 exceptions
    Standard profile RDF 77 passes, 0 fails, and 0 exceptions
    Default Plugin Manager 5 passes, 0 fails, and 0 exceptions
    Container aware derivative discovery decorator. 1 pass, 0 fails, and 0 exceptions
    PrivateKey test 3 passes, 0 fails, and 0 exceptions
     6 passes, 0 fails, and 0 exceptions
    Routes 2 passes, 0 fails, and 0 exceptions
    UrlGenerator 7 passes, 0 fails, and 0 exceptions
     3 passes, 0 fails, and 0 exceptions
     56 passes, 0 fails, and 0 exceptions
    Base plugin 1 pass, 0 fails, and 0 exceptions
    Block form controller 1 pass, 0 fails, and 0 exceptions
     Views: Display Block 2 passes, 0 fails, and 0 exceptions
    Breakpoint media query tests 2 passes, 0 fails, and 0 exceptions
    Locale translation tests 1 pass, 0 fails, and 0 exceptions
    Menu link entity 1 pass, 0 fails, and 0 exceptions
    Node: Bulk form 1 pass, 0 fails, and 0 exceptions
    routes: REST export plugin 1 pass, 0 fails, and 0 exceptions
     6 passes, 0 fails, and 0 exceptions
    PHPUnit autoloader 1 pass, 0 fails, and 0 exceptions
    PHPUnit errors 1 pass, 0 fails, and 0 exceptions
     6 passes, 0 fails, and 0 exceptions
    Add user plugin 2 passes, 0 fails, and 0 exceptions
    Remove user plugin 2 passes, 0 fails, and 0 exceptions
     3 passes, 0 fails, and 0 exceptions
    User: Bulk form 1 pass, 0 fails, and 0 exceptions
    User: Roles Rid Argument 1 pass, 0 fails, and 0 exceptions
     Block: Views block 2 passes, 0 fails, and 0 exceptions
    Argument default: Raw 1 pass, 0 fails, and 0 exceptions
     12 passes, 0 fails, and 0 exceptions
     12 passes, 0 fails, and 0 exceptions
    Plugin list 1 pass, 0 fails, and 0 exceptions
    View executable test 1 pass, 0 fails, and 0 exceptions
    Views data helper 1 pass, 0 fails, and 0 exceptions
    Views test 1 pass, 0 fails, and 0 exceptions
    Module tests 1 pass, 0 fails, and 0 exceptions
    Views List Controller Unit Test 1 pass, 0 fails, and 0 exceptions
    View UI Object 1 pass, 0 fails, and 0 exceptions
    FATAL Drupal\xmlrpc\Tests\XmlRpcValidatorTest: test runner returned a non-zero error code (1).
    Update functionality 152 passes, 38 fails, and 9 exceptions
    User: Name Filter 50 passes, 0 fails, and 0 exceptions

    Test run duration: 4 min 22 sec].
    [14:46:28] Command [/usr/bin/php ./core/scripts/run-tests.sh --php /usr/bin/php --url 'http://drupaltestbot1848/checkout' --all --list 2>&1] succeeded.
    [14:46:28] Review complete. test_id=609083 result code=9 details=Array
    (
        [@pass] => 2600
        [@fail] => 785
        [@exception] => 57
        [@debug] => 0
    )

    [14:46:28] Static variables reset.