6 files declare their use of EnhancedEntity in Entity API 8

CollectionRouteAccessTest.php in tests/src/Functional/CollectionRouteAccessTest.php

EntityDuplicateTest.php in tests/src/Functional/EntityDuplicateTest.php

EntityLocalTaskTest.php in tests/src/Functional/Menu/EntityLocalTaskTest.php

QueryAccessTest.php in tests/src/Kernel/QueryAccess/QueryAccessTest.php

RevisionBasicUITest.php in tests/src/Kernel/RevisionBasicUITest.php

RevisionRouteAccessTest.php in tests/src/Functional/RevisionRouteAccessTest.php