Contrib: Issue #3260698 by phenaproxima, tedbow: Make it simpler to disable...

core/modules/auto_updates/auto_updates.services.yml

...uto_updates/src/Validation/ReadinessValidationManager.php

..._validators/auto_updates_test_disable_validators.info.yml

...s/src/AutoUpdatesTestDisableValidatorsServiceProvider.php

...es/tests/src/Functional/AutoUpdatesFunctionalTestBase.php

..._updates/tests/src/Functional/ReadinessValidationTest.php

...les/auto_updates/tests/src/Functional/UpdaterFormTest.php

...to_updates/tests/src/Kernel/AutoUpdatesKernelTestBase.php

...ReadinessValidation/PackageManagerReadinessChecksTest.php

...el/ReadinessValidation/ReadinessValidationManagerTest.php

...ernel/ReadinessValidation/StagedProjectsValidatorTest.php

...ules/package_manager/src/Event/PreOperationStageEvent.php

core/modules/package_manager/src/Event/StageEvent.php

core/modules/package_manager/src/Stage.php

...manager/tests/src/Kernel/PackageManagerKernelTestBase.php

...ager/tests/src/Kernel/WritableFileSystemValidatorTest.php