Issue #2858646 by gaurav.kapoor, TR, alexpott: Methods called with incorrect case

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

...rc/Kernel/EntityReference/EntityReferenceSettingsTest.php

.../modules/views/tests/src/Functional/ViewsEscapingTest.php

.../views/tests/src/Functional/ViewsThemeIntegrationTest.php

...Drupal/KernelTests/Core/Entity/CreateSampleEntityTest.php

...ests/Drupal/KernelTests/Core/Entity/EntityDeriverTest.php

...KernelTests/Core/Entity/EntityTypedDataDefinitionTest.php

...al/KernelTests/Core/TypedData/TypedDataDefinitionTest.php

...tests/Drupal/KernelTests/Core/TypedData/TypedDataTest.php