Issue #3487826 by catch: package_manager kernel tests are slow

.gitlab-ci/pipeline.yml

...ules/fixture_manipulator/src/ActiveFixtureManipulator.php

...ts/modules/fixture_manipulator/src/FixtureManipulator.php

...dules/fixture_manipulator/src/StageFixtureManipulator.php

...tests/src/Kernel/AllowedScaffoldPackagesValidatorTest.php

...manager/tests/src/Kernel/ComposerPatchesValidatorTest.php

...src/Kernel/ComposerPluginsValidatorComplexInvalidTest.php

...tests/src/Kernel/ComposerPluginsValidatorInsecureTest.php

.../src/Kernel/ComposerPluginsValidatorSimpleInvalidTest.php

...ts/src/Kernel/ComposerPluginsValidatorSimpleValidTest.php

...ger/tests/src/Kernel/ComposerPluginsValidatorTestBase.php

...ackage_manager/tests/src/Kernel/ComposerValidatorTest.php

.../package_manager/tests/src/Kernel/PhpTufValidatorTest.php

...odules/package_manager/tests/src/Kernel/StageBaseTest.php

...age_manager/tests/src/Kernel/StageCommitExceptionTest.php

...es/package_manager/tests/src/Kernel/StageConflictTest.php

...ckage_manager/tests/src/Kernel/StageLoggedOnErrorTest.php

...anager/tests/src/Kernel/SupportedReleaseValidatorTest.php

...kage_manager/tests/src/Traits/ComposerInstallersTrait.php