16 files declare their use of InstallerTestBase in Zircon Profile 8

ConfigAfterInstallerTestBase.php in core/modules/system/src/Tests/Installer/ConfigAfterInstallerTestBase.php

Contains \Drupal\system\Tests\Installer\ConfigAfterInstallerTestBase.

ConfigInstallProfileUnmetDependenciesTest.php in core/modules/config/src/Tests/ConfigInstallProfileUnmetDependenciesTest.php

Contains \Drupal\config\Tests\ConfigInstallProfileUnmetDependenciesTest.

ConfigTranslationInstallTest.php in core/modules/config_translation/src/Tests/ConfigTranslationInstallTest.php

Contains \Drupal\config_translation\Tests\ConfigTranslationInstallTest.

DistributionProfileTest.php in core/modules/system/src/Tests/Installer/DistributionProfileTest.php

Contains \Drupal\system\Tests\Installer\DistributionProfileTest.

InstallerDatabaseErrorMessagesTest.php in core/modules/system/src/Tests/Installer/InstallerDatabaseErrorMessagesTest.php

Contains \Drupal\system\Tests\Installer\InstallerDatabaseErrorMessagesTest.

InstallerEmptySettingsTest.php in core/modules/system/src/Tests/Installer/InstallerEmptySettingsTest.php

Contains \Drupal\system\Tests\Installer\InstallerEmptySettingsTest.

InstallerExistingDatabaseSettingsTest.php in core/modules/system/src/Tests/Installer/InstallerExistingDatabaseSettingsTest.php

Contains \Drupal\system\Tests\Installer\InstallerExistingDatabaseSettingsTest.

InstallerExistingInstallationTest.php in core/modules/system/src/Tests/Installer/InstallerExistingInstallationTest.php

Contains \Drupal\system\Tests\Installer\InstallerExistingInstallationTest.

InstallerExistingSettingsNoProfileTest.php in core/modules/system/src/Tests/Installer/InstallerExistingSettingsNoProfileTest.php

Contains \Drupal\system\Tests\Installer\InstallerExistingSettingsNoProfileTest.

InstallerExistingSettingsTest.php in core/modules/system/src/Tests/Installer/InstallerExistingSettingsTest.php

Contains \Drupal\system\Tests\Installer\InstallerExistingSettingsTest.

InstallerLanguageDirectionTest.php in core/modules/system/src/Tests/Installer/InstallerLanguageDirectionTest.php

Contains \Drupal\system\Tests\Installer\InstallerLanguageDirectionTest.

InstallerLanguagePageTest.php in core/modules/system/src/Tests/Installer/InstallerLanguagePageTest.php

Contains \Drupal\system\Tests\Installer\InstallerLanguagePageTest.

InstallerTest.php in core/modules/system/src/Tests/Installer/InstallerTest.php

Contains \Drupal\system\Tests\Installer\InstallerTest.

InstallerTranslationMultipleLanguageTest.php in core/modules/system/src/Tests/Installer/InstallerTranslationMultipleLanguageTest.php

Contains \Drupal\system\Tests\Installer\InstallerTranslationMultipleLanguageTest.

InstallerTranslationTest.php in core/modules/system/src/Tests/Installer/InstallerTranslationTest.php

Contains \Drupal\system\Tests\Installer\InstallerTranslationTest.

SingleVisibleProfileTest.php in core/modules/system/src/Tests/Installer/SingleVisibleProfileTest.php

Contains \Drupal\system\Tests\Installer\SingleVisibleProfileTest.