Drupal 9 Deprecated Code Report

Hi,

The results of checking Drupal 9 compatibility

6/6 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%

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Line dropguard.install
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53 Call to deprecated function drupal_set_message():
in drupal:8.5.0 and is removed from drupal:9.0.0.
Use \Drupal\Core\Messenger\MessengerInterface::addMessage() instead.
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Line dropguard.module
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48 Call to deprecated function system_rebuild_module_data():
in drupal:8.8.0 and is removed from drupal:9.0.0.
Use \Drupal::service('extension.list.module')->getList() instead.
Note: use reset() only when you really need to rescan and rebuild the list.
60 Call to deprecated function drupal_get_profile():
in drupal:8.3.0 and is removed from drupal:9.0.0.
Use the install_profile container parameter or \Drupal::installProfile()
instead. If you are accessing the value before it is written to
configuration during the installer use the $install_state global. If you
need to access the value before container is available you can use
BootstrapConfigStorageFactory to load the value directly from
configuration.
189 Call to deprecated function drupal_get_profile():
in drupal:8.3.0 and is removed from drupal:9.0.0.
Use the install_profile container parameter or \Drupal::installProfile()
instead. If you are accessing the value before it is written to
configuration during the installer use the $install_state global. If you
need to access the value before container is available you can use
BootstrapConfigStorageFactory to load the value directly from
configuration.
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Line src/Tests/SettingsFormTest.php
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17 Class Drupal\dropguard\Tests\SettingsFormTest extends deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
35 Call to method setUp() of deprecated class Drupal\simpletest\WebTestBase:
in drupal:8.8.0 and is removed from drupal:9.0.0. Instead,
use \Drupal\Tests\BrowserTestBase. See https://www.drupal.org/node/3030340.
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[ERROR] Found 6 errors