8 files declare their use of EntityTestBundle

BundlePermissionHandlerTraitTest.php in core/tests/Drupal/KernelTests/Core/Entity/BundlePermissionHandlerTraitTest.php
DeleteMultipleFormTest.php in core/tests/Drupal/FunctionalTests/Entity/DeleteMultipleFormTest.php
EntityAddUITest.php in core/modules/system/tests/src/Functional/Entity/EntityAddUITest.php
EntityBaseTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityBaseTest.php
EntityBundleConditionTest.php in core/tests/Drupal/KernelTests/Core/Entity/EntityBundleConditionTest.php
EntityBundleListCacheTest.php in core/tests/Drupal/FunctionalTests/Entity/EntityBundleListCacheTest.php
EntityTestBundleResourceTestBase.php in core/modules/system/tests/modules/entity_test/tests/src/Functional/Rest/EntityTestBundleResourceTestBase.php
EntityTestPermissions.php in core/modules/system/tests/modules/entity_test/src/EntityTestPermissions.php

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