Got this via qa.drupal.org notifications:

Drupal core - 8.x fail: http://qa.drupal.org/8.x-status

Overall Summary
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FAILED: [[SimpleTest]]: [MySQL] 49,173 pass(es), 1 fail(s), and 0 exception(s).

Individual Environment Summaries
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-- [[SimpleTest]]: [MySQL] --

* Drupal\image\Tests\ImageFieldDisplayTest (91 pass(es), 1 fail(s), and 0 exception(s))
   - [fail] [Completion check] "The test did not complete due to a fatal error." in ImageFieldDisplayTest.php on line 40 of Drupal\image\Tests\ImageFieldDisplayTest->testImageFieldFormattersPrivate().

Comments

catch’s picture

Drupal\system\Tests\System\DefaultMobileMetaTagsTest (12 pass(es), 1 fail(s), and 0 exception(s))
   - [fail] [Completion check] "The test did not complete due to a fatal error." in DefaultMobileMetaTagsTest.php on line 44 of Drupal\system\Tests\System\DefaultMobileMetaTagsTest->testRemovingDefaultMetaTags().
Berdir’s picture

Can you check the detailed log next time? I guess those are deadlocks, have seen them quite often recently.

Berdir’s picture

Issue tags:+Random test failure
catch’s picture

I actually can't find the detailed log for the branch tests on qa.drupal.org :(

catch’s picture

Status:Active» Closed (duplicate)