EntityContentBaseTest.php in core/modules/migrate/tests/src/Unit/Plugin/migrate/destination/EntityContentBaseTest.php
Contains \Drupal\Tests\migrate\Unit\Plugin\migrate\destination\EntityContentBaseTest
EntityDefinitionUpdateTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityDefinitionUpdateTest.php
EntityViewsData.php in core/modules/views/src/EntityViewsData.php
EntityViewsDataTest.php in core/modules/views/tests/src/Unit/EntityViewsDataTest.php
Contains \Drupal\Tests\views\Unit\EntityViewsDataTest.
ModerationInformationTest.php in core/modules/content_moderation/tests/src/Unit/ModerationInformationTest.php
SqlContentEntityStorageSchemaTest.php in core/tests/Drupal/Tests/Core/Entity/Sql/SqlContentEntityStorageSchemaTest.php