Issue #3477613 by quietone: Add doc block for $modules in tests

core/modules/views/tests/src/Kernel/Handler/AreaTextTest.php

...ules/views/tests/src/Kernel/Handler/AreaTextTokenTest.php

...odules/views/tests/src/Kernel/Handler/FieldKernelTest.php

core/modules/views/tests/src/Kernel/Handler/FieldUrlTest.php

...les/views/tests/src/Kernel/Handler/FilterEqualityTest.php

...s/views/tests/src/Kernel/Handler/FilterInOperatorTest.php

...ules/views/tests/src/Kernel/Handler/FilterNumericTest.php

...dules/views/tests/src/Kernel/Handler/FilterStringTest.php

...dules/views/tests/src/Kernel/Handler/HandlerAliasTest.php

...odules/views/tests/src/Kernel/Plugin/StyleMappingTest.php

core/modules/views/tests/src/Kernel/TokenReplaceTest.php

core/modules/views/tests/src/Kernel/ViewExecutableTest.php

...l/FunctionalJavascriptTests/JavascriptDeprecationTest.php

...ts/Drupal/FunctionalTests/Core/Test/PhpUnitBridgeTest.php

...sts/Drupal/KernelTests/Core/Database/DatabaseTestBase.php

...elTests/Core/DependencyInjection/ServicesDefaultsTest.php

...KernelTests/Core/Entity/BundleConstraintValidatorTest.php

...Drupal/KernelTests/Core/Entity/EntityLanguageTestBase.php

...elTests/Core/Entity/EntityTypeConstraintValidatorTest.php

...lTests/Core/Entity/FieldWidgetConstraintValidatorTest.php