12 files declare their use of DrupalUnitTestBase

AliasTest.php in drupal/core/modules/system/lib/Drupal/system/Tests/Path/AliasTest.php
Definition of Drupal\system\Tests\Path\CrudTest.
ConfigCRUDTest.php in drupal/core/modules/config/lib/Drupal/config/Tests/ConfigCRUDTest.php
Definition of Drupal\config\Tests\ConfigCRUDTest.
ConfigFileContentTest.php in drupal/core/modules/config/lib/Drupal/config/Tests/ConfigFileContentTest.php
Definition of Drupal\config\Tests\ConfigFileContentTest.
ConfigImportTest.php in drupal/core/modules/config/lib/Drupal/config/Tests/ConfigImportTest.php
Definition of Drupal\config\Tests\ConfigImportTest.
ConfigInstallTest.php in drupal/core/modules/config/lib/Drupal/config/Tests/ConfigInstallTest.php
Definition of Drupal\config\Tests\ConfigInstallTest.
ConfigOverrideTest.php in drupal/core/modules/config/lib/Drupal/config/Tests/ConfigOverrideTest.php
Definition of Drupal\config\Tests\ConfigOverrideTest.
ConfigStorageTestBase.php in drupal/core/modules/config/lib/Drupal/config/Tests/Storage/ConfigStorageTestBase.php
Definition of Drupal\config\Tests\Storage\ConfigStorageTestBase.
DrupalUnitTestBaseTest.php in drupal/core/modules/simpletest/lib/Drupal/simpletest/Tests/DrupalUnitTestBaseTest.php
Contains Drupal\simpletest\Tests\DrupalUnitTestBaseTest.
FilterUnitTest.php in drupal/core/modules/filter/lib/Drupal/filter/Tests/FilterUnitTest.php
Definition of Drupal\filter\Tests\FilterUnitTest.
TransliterationTest.php in drupal/core/modules/system/lib/Drupal/system/Tests/Transliteration/TransliterationTest.php
Definition of Drupal\system\Tests\Transliteration\TransliterationTest.
ViewUnitTestBase.php in drupal/core/modules/views/lib/Drupal/views/Tests/ViewUnitTestBase.php
Contains \Drupal\views\Tests\ViewUnitTestBase.
XssUnitTest.php in drupal/core/modules/system/lib/Drupal/system/Tests/Common/XssUnitTest.php
Definition of Drupal\system\Tests\Common\XssUnitTest.