Issue #3477669 by quietone: Fix VariableComment.Missing in tests but not core/tests

core/.phpstan-baseline.php

core/modules/block/tests/src/Functional/BlockUiTest.php

core/modules/block/tests/src/Kernel/ConfigActionsTest.php

...odules/comment/tests/src/Functional/CommentEntityTest.php

core/modules/contact/tests/src/Kernel/ConfigActionsTest.php

core/modules/field/tests/src/Kernel/ConfigActionsTest.php

.../tests/src/Unit/Plugin/migrate/process/d6/FileUriTest.php

core/modules/image/tests/src/Kernel/ConfigActionsTest.php

.../modules/jsonapi_test_data_type/src/TraversableObject.php

core/modules/language/tests/src/Kernel/ConfigActionsTest.php

...es/language/tests/src/Unit/LanguageNegotiationUrlTest.php

...ules/locale/tests/src/Functional/LocaleUpdateCronTest.php

core/modules/media/tests/src/Kernel/ConfigActionsTest.php

...ests/src/Kernel/OEmbedResourceConstraintValidatorTest.php

...Unit/Plugin/migrate/destination/EntityContentBaseTest.php

...rc/Unit/Plugin/migrate/destination/EntityRevisionTest.php

...ts/src/Unit/destination/PerComponentEntityDisplayTest.php

...rc/Unit/destination/PerComponentEntityFormDisplayTest.php

core/modules/mysql/tests/src/Unit/InstallTasksTest.php

core/modules/node/tests/src/Kernel/ConfigActionsTest.php