EntityReferenceFieldItemNormalizerTest.php in core/modules/serialization/tests/src/Unit/Normalizer/EntityReferenceFieldItemNormalizerTest.php
FieldPluginBaseTest.php in core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php
LinkGeneratorTest.php in core/tests/Drupal/Tests/Core/Utility/LinkGeneratorTest.php
LinkTest.php in core/modules/jsonapi/tests/src/Unit/JsonApiResource/LinkTest.php
MetadataBubblingUrlGenerator.php in core/lib/Drupal/Core/Render/MetadataBubblingUrlGenerator.php
RenderElementTest.php in core/tests/Drupal/Tests/Core/Render/Element/RenderElementTest.php
RequestFormatRouteFilterTest.php in core/tests/Drupal/Tests/Core/Routing/RequestFormatRouteFilterTest.php
RouteNoneTest.php in core/tests/Drupal/KernelTests/Core/RouteProcessor/RouteNoneTest.php
RouteProcessorCurrentIntegrationTest.php in core/tests/Drupal/KernelTests/Core/RouteProcessor/RouteProcessorCurrentIntegrationTest.php
UnroutedUrlAssembler.php in core/lib/Drupal/Core/Utility/UnroutedUrlAssembler.php