Expanded class hierarchy of MigrateSystemImageGdTest in Zircon Profile 8
- class \Drupal\simpletest\TestBase uses AssertHelperTrait, RandomGeneratorTrait, SessionTestTrait
- class \Drupal\simpletest\KernelTestBase uses AssertContentTrait
- class \Drupal\aggregator\Tests\AggregatorTitleTest
- class \Drupal\block\Tests\BlockConfigSchemaTest uses SchemaCheckTestTrait
- class \Drupal\block\Tests\BlockInterfaceTest
- class \Drupal\block\Tests\BlockStorageUnitTest
- class \Drupal\block\Tests\BlockViewBuilderTest
- class \Drupal\book\Tests\BookUninstallTest
- class \Drupal\breakpoint\Tests\BreakpointDiscoveryTest
- class \Drupal\ckeditor\Tests\CKEditorPluginManagerTest
- class \Drupal\ckeditor\Tests\CKEditorTest
- class \Drupal\comment\Tests\CommentStringIdEntitiesTest
- class \Drupal\condition_test\Tests\ConditionTestDualUserTest
- class \Drupal\condition_test\Tests\OptionalContextConditionTest
- class \Drupal\config\Tests\CacheabilityMetadataConfigOverrideTest
- class \Drupal\config\Tests\ConfigCRUDTest
- class \Drupal\config\Tests\ConfigDiffTest
- class \Drupal\config\Tests\ConfigEntityNormalizeTest
- class \Drupal\config\Tests\ConfigEntityStaticCacheTest
- class \Drupal\config\Tests\ConfigEntityStatusTest
- class \Drupal\config\Tests\ConfigEntityStorageTest
- class \Drupal\config\Tests\ConfigEntityUnitTest
- class \Drupal\config\Tests\ConfigEventsTest
- class \Drupal\config\Tests\ConfigFileContentTest
- class \Drupal\config\Tests\ConfigImporterMissingContentTest
- class \Drupal\config\Tests\ConfigImporterTest
- class \Drupal\config\Tests\ConfigImportRecreateTest
- class \Drupal\config\Tests\ConfigImportRenameValidationTest
- class \Drupal\config\Tests\ConfigInstallTest
- class \Drupal\config\Tests\ConfigLanguageOverrideTest
- class \Drupal\config\Tests\ConfigModuleOverridesTest
- class \Drupal\config\Tests\ConfigOverridesPriorityTest
- class \Drupal\config\Tests\ConfigOverrideTest
- class \Drupal\config\Tests\ConfigSchemaTest
- class \Drupal\config\Tests\ConfigSnapshotTest
- class \Drupal\config\Tests\DefaultConfigTest uses SchemaCheckTestTrait
- class \Drupal\config\Tests\SchemaCheckTraitTest uses SchemaCheckTrait
- class \Drupal\config\Tests\SchemaConfigListenerTest
- class \Drupal\config\Tests\Storage\ConfigStorageTestBase
- class \Drupal\content_translation\Tests\ContentTranslationConfigImportTest
- class \Drupal\content_translation\Tests\ContentTranslationSettingsApiTest
- class \Drupal\content_translation\Tests\ContentTranslationSyncUnitTest
- class \Drupal\contextual\Tests\ContextualUnitTest
- class \Drupal\dblog\Tests\DbLogFormInjectionTest implements FormInterface uses DependencySerializationTrait
- class \Drupal\editor\Tests\EditorFileReferenceFilterTest
- class \Drupal\editor\Tests\EditorManagerTest
- class \Drupal\field\Tests\Boolean\BooleanFormatterTest
- class \Drupal\field\Tests\EntityReference\EntityReferenceSettingsTest uses EntityReferenceTestTrait
- class \Drupal\field\Tests\Entity\Update\SqlContentEntityStorageSchemaColumnTest
- class \Drupal\field\Tests\FieldDefinitionIntegrityTest
- class \Drupal\field\Tests\FieldUnitTestBase
- class \Drupal\field\Tests\String\RawStringFormatterTest
- class \Drupal\field\Tests\String\StringFormatterTest
- class \Drupal\field\Tests\String\UuidFormatterTest
- class \Drupal\field\Tests\Timestamp\TimestampFormatterTest
- class \Drupal\field_ui\Tests\EntityDisplayTest
- class \Drupal\field_ui\Tests\EntityFormDisplayTest
- class \Drupal\file\Tests\FileManagedUnitTestBase
- class \Drupal\file\Tests\Formatter\FileEntityFormatterTest
- class \Drupal\file\Tests\Migrate\EntityFileTest
- class \Drupal\filter\Tests\FilterCrudTest
- class \Drupal\filter\Tests\FilterDefaultConfigTest
- class \Drupal\filter\Tests\FilterSettingsTest
- class \Drupal\filter\Tests\FilterUnitTest
- class \Drupal\filter\Tests\TextFormatElementFormTest implements FormInterface
- class \Drupal\hal\Tests\NormalizerTestBase
- class \Drupal\help\Tests\HelpEmptyPageTest
- class \Drupal\image\Tests\ImageImportTest
- class \Drupal\language\Tests\Condition\LanguageConditionTest
- class \Drupal\language\Tests\ConfigurableLanguageTest
- class \Drupal\language\Tests\EntityDefaultLanguageTest
- class \Drupal\language\Tests\LanguageConfigOverrideInstallTest
- class \Drupal\language\Tests\LanguageTestBase
- class \Drupal\locale\Tests\LocaleConfigManagerTest
- class \Drupal\locale\Tests\LocaleConfigSubscriberTest
- class \Drupal\locale\Tests\LocaleTranslationProjectsTest
- class \Drupal\menu_link_content\Tests\MenuLinkContentCacheabilityBubblingTest
- class \Drupal\menu_link_content\Tests\MenuLinkContentDeriverTest
- class \Drupal\menu_link_content\Tests\PathAliasMenuLinkContentTest
- class \Drupal\migrate\Tests\MigrateEmbeddedDataTest
- class \Drupal\migrate\Tests\MigrateEventsTest
- class \Drupal\migrate\Tests\MigrateInterruptionTest
- class \Drupal\migrate\Tests\MigrateMessageTest implements MigrateMessageInterface
- class \Drupal\migrate\Tests\MigrateSkipRowTest
- class \Drupal\migrate\Tests\MigrateTestBase implements MigrateMessageInterface
- class \Drupal\migrate\Tests\MigrateRollbackTest
- class \Drupal\migrate\Tests\MigrateStatusTest
- class \Drupal\migrate\Tests\SqlBaseTest
- class \Drupal\migrate\Tests\TemplateTest
- class \Drupal\migrate_drupal\Tests\MigrateDrupalTestBase
- class \Drupal\aggregator\Tests\Migrate\MigrateAggregatorStubTest uses StubTestTrait
- class \Drupal\block_content\Tests\Migrate\MigrateBlockContentStubTest uses StubTestTrait
- class \Drupal\comment\Tests\Migrate\MigrateCommentStubTest uses StubTestTrait
- class \Drupal\file\Tests\Migrate\MigrateFileStubTest uses StubTestTrait
- class \Drupal\menu_link_content\Tests\Migrate\MigrateMenuLinkContentStubTest uses StubTestTrait
- class \Drupal\migrate_drupal\Tests\d6\MigrateDrupal6TestBase
- class \Drupal\action\Tests\Migrate\d6\MigrateActionConfigsTest uses SchemaCheckTestTrait
- class \Drupal\aggregator\Tests\Migrate\d6\MigrateAggregatorConfigsTest uses SchemaCheckTestTrait
- class \Drupal\aggregator\Tests\Migrate\d6\MigrateAggregatorFeedTest
- class \Drupal\aggregator\Tests\Migrate\d6\MigrateAggregatorItemTest
- class \Drupal\block\Tests\Migrate\d6\MigrateBlockTest
- class \Drupal\block_content\Tests\Migrate\d6\MigrateBlockContentTest
- class \Drupal\book\Tests\Migrate\d6\MigrateBookConfigsTest uses SchemaCheckTestTrait
- class \Drupal\book\Tests\Migrate\d6\MigrateBookTest
- class \Drupal\comment\Tests\Migrate\d6\MigrateCommentTest uses CommentTestTrait
- class \Drupal\comment\Tests\Migrate\d6\MigrateCommentTypeTest
- class \Drupal\comment\Tests\Migrate\d6\MigrateCommentVariableDisplayBase
- class \Drupal\comment\Tests\Migrate\d6\MigrateCommentVariableEntityFormDisplaySubjectTest
- class \Drupal\comment\Tests\Migrate\d6\MigrateCommentVariableFieldTest
- class \Drupal\comment\Tests\Migrate\d6\MigrateCommentVariableInstanceTest
- class \Drupal\contact\Tests\Migrate\d6\MigrateContactCategoryTest
- class \Drupal\contact\Tests\Migrate\d6\MigrateContactSettingsTest uses SchemaCheckTestTrait
- class \Drupal\contact\Tests\Migrate\MigrateContactCategoryTest
- class \Drupal\dblog\Tests\Migrate\d6\MigrateDblogConfigsTest uses SchemaCheckTestTrait
- class \Drupal\field\Tests\Migrate\d6\MigrateFieldFormatterSettingsTest
- class \Drupal\field\Tests\Migrate\d6\MigrateFieldInstanceTest
- class \Drupal\field\Tests\Migrate\d6\MigrateFieldTest
- class \Drupal\field\Tests\Migrate\d6\MigrateFieldWidgetSettingsTest
- class \Drupal\file\Tests\Migrate\d6\MigrateFileConfigsTest uses SchemaCheckTestTrait
- class \Drupal\file\Tests\Migrate\d6\MigrateFileTest implements MigrateDumpAlterInterface
- class \Drupal\file\Tests\Migrate\d6\MigrateUploadEntityDisplayTest
- class \Drupal\file\Tests\Migrate\d6\MigrateUploadEntityFormDisplayTest
- class \Drupal\file\Tests\Migrate\d6\MigrateUploadFieldTest
- class \Drupal\file\Tests\Migrate\d6\MigrateUploadInstanceTest
- class \Drupal\file\Tests\Migrate\d6\MigrateUploadTest
- class \Drupal\filter\Tests\Migrate\d6\MigrateFilterFormatTest
- class \Drupal\forum\Tests\Migrate\d6\MigrateForumConfigsTest uses SchemaCheckTestTrait
- class \Drupal\image\Tests\Migrate\d6\MigrateImageCacheTest
- class \Drupal\language\Tests\Migrate\MigrateLanguageTest
- class \Drupal\locale\Tests\Migrate\MigrateLocaleConfigsTest uses SchemaCheckTestTrait
- class \Drupal\menu_link_content\Tests\Migrate\d6\MigrateMenuLinkTest
- class \Drupal\migrate_drupal\Tests\d6\CckMigrationBuilderTest
- class \Drupal\migrate_drupal\Tests\d6\EntityContentBaseTest
- class \Drupal\migrate_drupal\Tests\dependencies\MigrateDependenciesTest
- class \Drupal\node\Tests\Migrate\d6\MigrateNodeBuilderTest
- class \Drupal\node\Tests\Migrate\d6\MigrateNodeBundleSettingsTest
- class \Drupal\node\Tests\Migrate\d6\MigrateNodeConfigsTest uses SchemaCheckTestTrait
- class \Drupal\node\Tests\Migrate\d6\MigrateNodeSettingPromoteTest
- class \Drupal\node\Tests\Migrate\d6\MigrateNodeSettingStickyTest
- class \Drupal\node\Tests\Migrate\d6\MigrateNodeTestBase
- class \Drupal\node\Tests\Migrate\d6\MigrateNodeTypeTest
- class \Drupal\node\Tests\Migrate\d6\MigrateViewModesTest
- class \Drupal\path\Tests\Migrate\d6\MigrateUrlAliasTest
- class \Drupal\search\Tests\Migrate\d6\MigrateSearchPageTest
- class \Drupal\search\Tests\Migrate\d6\MigrateSearchSettingsTest uses SchemaCheckTestTrait
- class \Drupal\simpletest\Tests\Migrate\d6\MigrateSimpletestConfigsTest uses SchemaCheckTestTrait
- class \Drupal\statistics\Tests\Migrate\d6\MigrateStatisticsConfigsTest uses SchemaCheckTestTrait
- class \Drupal\syslog\Tests\Migrate\d6\MigrateSyslogConfigsTest uses SchemaCheckTestTrait
- class \Drupal\system\Tests\Migrate\d6\MigrateDateFormatTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemCronTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemDateTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemFileTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemImageGdTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemImageTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemLoggingTest uses SchemaCheckTestTrait
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemMaintenanceTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemPerformanceTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemRssTest
- class \Drupal\system\Tests\Migrate\d6\MigrateSystemSiteTest
- class \Drupal\system\Tests\Migrate\MigrateMenuTest
- class \Drupal\taxonomy\Tests\Migrate\d6\MigrateTaxonomyTermTest
- class \Drupal\taxonomy\Tests\Migrate\d6\MigrateTaxonomyVocabularyTest
- class \Drupal\taxonomy\Tests\Migrate\d6\MigrateTermNodeRevisionTest
- class \Drupal\taxonomy\Tests\Migrate\d6\MigrateTermNodeTest
- class \Drupal\taxonomy\Tests\Migrate\d6\MigrateVocabularyEntityDisplayTest
- class \Drupal\taxonomy\Tests\Migrate\d6\MigrateVocabularyEntityFormDisplayTest
- class \Drupal\taxonomy\Tests\Migrate\d6\MigrateVocabularyFieldInstanceTest
- class \Drupal\taxonomy\Tests\Migrate\d6\MigrateVocabularyFieldTest
- class \Drupal\taxonomy\Tests\Migrate\MigrateTaxonomyConfigsTest uses SchemaCheckTestTrait
- class \Drupal\text\Tests\Migrate\MigrateTextConfigsTest uses SchemaCheckTestTrait
- class \Drupal\update\Tests\Migrate\d6\MigrateUpdateConfigsTest uses SchemaCheckTestTrait
- class \Drupal\user\Tests\Migrate\d6\MigrateUserConfigsTest uses SchemaCheckTestTrait
- class \Drupal\user\Tests\Migrate\d6\MigrateUserContactSettingsTest
- class \Drupal\user\Tests\Migrate\d6\MigrateUserPictureFileTest
- class \Drupal\user\Tests\Migrate\d6\MigrateUserProfileValuesTest
- class \Drupal\user\Tests\Migrate\d6\MigrateUserRoleTest
- class \Drupal\user\Tests\Migrate\d6\MigrateUserTest
- class \Drupal\user\Tests\Migrate\d6\ProfileValuesBuilderTest
- class \Drupal\user\Tests\Migrate\MigrateUserProfileEntityDisplayTest
- class \Drupal\user\Tests\Migrate\MigrateUserProfileEntityFormDisplayTest
- class \Drupal\user\Tests\Migrate\MigrateUserProfileFieldInstanceTest
- class \Drupal\user\Tests\Migrate\MigrateUserProfileFieldTest
- class \Drupal\migrate_drupal\Tests\d7\MigrateDrupal7TestBase
- class \Drupal\node\Tests\Migrate\MigrateNodeStubTest uses StubTestTrait
- class \Drupal\shortcut\Tests\Migrate\MigrateShortcutStubTest uses StubTestTrait
- class \Drupal\taxonomy\Tests\Migrate\MigrateTaxonomyTermStubTest uses StubTestTrait
- class \Drupal\user\Tests\Migrate\MigrateUserStubTest uses StubTestTrait
- class \Drupal\user\Tests\Migrate\MigrateUserAdminPassTest
- class \Drupal\migrate\Tests\MigrationTest
- class \Drupal\node\Tests\Config\NodeImportChangeTest
- class \Drupal\node\Tests\Config\NodeImportCreateTest
- class \Drupal\node\Tests\NodeBodyFieldStorageTest
- class \Drupal\node\Tests\NodeListBuilderTest
- class \Drupal\quickedit\Tests\QuickEditTestBase
- class \Drupal\rdf\Tests\CrudTest
- class \Drupal\rdf\Tests\RdfaAttributesTest
- class \Drupal\rest\Tests\RestLinkManagerTest
- class \Drupal\search\Tests\SearchExcerptTest
- class \Drupal\search\Tests\SearchMatchTest
- class \Drupal\serialization\Tests\SerializationTest
- class \Drupal\simpletest\Tests\KernelTestBaseTest
- class \Drupal\simpletest\Tests\MissingDependentModuleUnitTest
- class \Drupal\system\Tests\Action\ActionUnitTest
- class \Drupal\system\Tests\Asset\LibraryDiscoveryIntegrationTest
- class \Drupal\system\Tests\Asset\ResolvedLibraryDefinitionsFilesMatchTest
- class \Drupal\system\Tests\Block\SystemMenuBlockTest
- class \Drupal\system\Tests\Bootstrap\GetFilenameUnitTest
- class \Drupal\system\Tests\Bootstrap\ResettableStaticUnitTest
- class \Drupal\system\Tests\Cache\CacheContextOptimizationTest uses UserCreationTrait
- class \Drupal\system\Tests\Cache\DatabaseBackendTagTest
- class \Drupal\system\Tests\Cache\GenericCacheBackendUnitTestBase
- class \Drupal\system\Tests\Common\AttachedAssetsTest
- class \Drupal\system\Tests\Common\PageRenderTest
- class \Drupal\system\Tests\Common\RenderElementTypesTest
- class \Drupal\system\Tests\Common\RenderTest
- class \Drupal\system\Tests\Common\SizeUnitTest
- class \Drupal\system\Tests\Common\SystemListingTest
- class \Drupal\system\Tests\Common\TableSortExtenderUnitTest
- class \Drupal\system\Tests\Common\XssUnitTest
- class \Drupal\system\Tests\Condition\CurrentThemeConditionTest
- class \Drupal\system\Tests\Database\ConnectionUnitTest
- class \Drupal\system\Tests\Database\DatabaseExceptionWrapperTest
- class \Drupal\system\Tests\Database\DatabaseTestBase
- class \Drupal\system\Tests\Database\NextIdTest
- class \Drupal\system\Tests\Database\SchemaTest
- class \Drupal\system\Tests\DrupalKernel\DrupalKernelSiteTest
- class \Drupal\system\Tests\DrupalKernel\DrupalKernelTest
- class \Drupal\system\Tests\DrupalKernel\ServiceDestructionTest
- class \Drupal\system\Tests\Element\PathElementFormTest implements FormInterface
- class \Drupal\system\Tests\Entity\BundleConstraintValidatorTest
- class \Drupal\system\Tests\Entity\ConfigEntityQueryTest
- class \Drupal\system\Tests\Entity\ContentEntityNullStorageTest
- class \Drupal\system\Tests\Entity\EntityTypedDataDefinitionTest
- class \Drupal\system\Tests\Entity\EntityUnitTestBase
- class \Drupal\system\Tests\Entity\FieldAccessTest
- class \Drupal\system\Tests\Entity\FieldWidgetConstraintValidatorTest
- class \Drupal\system\Tests\Extension\ThemeInstallerTest
- class \Drupal\system\Tests\Extension\UpdaterTest
- class \Drupal\system\Tests\File\FileTestBase
- class \Drupal\system\Tests\File\HtaccessUnitTest
- class \Drupal\system\Tests\Form\ExternalFormUrlTest implements FormInterface
- class \Drupal\system\Tests\Form\FormCacheTest
- class \Drupal\system\Tests\Form\FormDefaultHandlersTest implements FormInterface
- class \Drupal\system\Tests\Form\TriggeringElementProgrammedUnitTest implements FormInterface
- class \Drupal\system\Tests\HttpKernel\StackKernelIntegrationTest
- class \Drupal\system\Tests\Image\ToolkitGdTest
- class \Drupal\system\Tests\Installer\InstallerLanguageTest
- class \Drupal\system\Tests\KeyValueStore\GarbageCollectionTest
- class \Drupal\system\Tests\KeyValueStore\KeyValueContentEntityStorageTest
- class \Drupal\system\Tests\KeyValueStore\StorageTestBase
- class \Drupal\system\Tests\Lock\LockUnitTest
- class \Drupal\system\Tests\Menu\MenuLinkDefaultIntegrationTest
- class \Drupal\system\Tests\Menu\MenuLinkTreeTest
- class \Drupal\system\Tests\Menu\MenuTreeStorageTest
- class \Drupal\system\Tests\Module\ModuleImplementsAlterTest
- class \Drupal\system\Tests\Path\PathUnitTestBase
- class \Drupal\system\Tests\Plugin\Condition\RequestPathTest
- class \Drupal\system\Tests\Plugin\ContextPluginTest
- class \Drupal\system\Tests\Plugin\Discovery\DiscoveryTestBase
- class \Drupal\system\Tests\Plugin\PluginTestBase
- class \Drupal\system\Tests\Queue\QueueSerializationTest implements FormInterface uses DependencySerializationTrait
- class \Drupal\system\Tests\Queue\QueueTest
- class \Drupal\system\Tests\Render\ElementInfoIntegrationTest
- class \Drupal\system\Tests\Render\Element\TableTest
- class \Drupal\system\Tests\Render\RenderCacheTest uses UserCreationTrait
- class \Drupal\system\Tests\RouteProcessor\RouteNoneTest
- class \Drupal\system\Tests\RouteProcessor\RouteProcessorCurrentIntegrationTest
- class \Drupal\system\Tests\Routing\ContentNegotiationRoutingTest
- class \Drupal\system\Tests\Routing\ExceptionHandlingTest
- class \Drupal\system\Tests\Routing\MatcherDumperTest
- class \Drupal\system\Tests\Routing\RouteProviderTest
- class \Drupal\system\Tests\Routing\UrlIntegrationTest
- class \Drupal\system\Tests\ServiceProvider\ServiceProviderTest
- class \Drupal\system\Tests\Session\AccountSwitcherTest
- class \Drupal\system\Tests\System\IgnoreReplicaSubscriberTest
- class \Drupal\system\Tests\System\InfoAlterTest
- class \Drupal\system\Tests\System\SettingsRewriteTest
- class \Drupal\system\Tests\Theme\ImageTest
- class \Drupal\system\Tests\Theme\MessageTest
- class \Drupal\system\Tests\Theme\RegistryTest
- class \Drupal\system\Tests\Theme\StableLibraryOverrideTest
- class \Drupal\system\Tests\Theme\StableThemeTest
- class \Drupal\system\Tests\Theme\TableTest
- class \Drupal\system\Tests\Theme\ThemeSettingsTest
- class \Drupal\system\Tests\Theme\TwigEnvironmentTest
- class \Drupal\system\Tests\Theme\TwigWhiteListTest
- class \Drupal\system\Tests\TypedData\TypedDataDefinitionTest
- class \Drupal\system\Tests\TypedData\TypedDataTest
- class \Drupal\system\Tests\Update\CompatibilityFixTest
- class \Drupal\system\Tests\Update\DbDumpTest
- class \Drupal\system\Tests\Utility\LinkGenerationTest
- class \Drupal\system\Tests\Validation\AllowedValuesConstraintValidatorTest
- class \Drupal\system\Tests\Validation\ComplexDataConstraintValidatorTest
- class \Drupal\taxonomy\Tests\TermKernelTest uses TaxonomyTestTrait
- class \Drupal\text\Tests\TextSummaryTest
- class \Drupal\tour\Tests\TourPluginTest
- class \Drupal\user\Tests\Condition\UserRoleConditionTest
- class \Drupal\user\Tests\Field\UserNameFormatterTest
- class \Drupal\user\Tests\TempStoreDatabaseTest
- class \Drupal\user\Tests\UserAccountFormFieldsTest
- class \Drupal\user\Tests\UserActionConfigSchemaTest uses SchemaCheckTestTrait
- class \Drupal\user\Tests\UserEntityTest
- class \Drupal\user\Tests\UserFieldsTest
- class \Drupal\user\Tests\UserInstallTest
- class \Drupal\user\Tests\UserRoleDeleteTest
- class \Drupal\user\Tests\UserSaveStatusTest
- class \Drupal\user\Tests\UserValidationTest
- class \Drupal\views\Tests\Plugin\PluginBaseTest
- class \Drupal\views\Tests\TestViewsTest uses SchemaCheckTestTrait
- class \Drupal\views\Tests\ViewKernelTestBase uses ViewResultAssertionTrait
- class \Drupal\simpletest\WebTestBase uses AssertContentTrait, UserCreationTrait
- class \Drupal\simpletest\KernelTestBase uses AssertContentTrait