Issue #3247901 by danflanagan8, longwave: ContentTranslationUITestBase should not rely on Classy

...nt/tests/src/Functional/BlockContentTranslationUITest.php

...ion/tests/src/Functional/ContentTestTranslationUITest.php

...ion/tests/src/Functional/ContentTranslationUITestBase.php

...les/media/tests/src/Functional/MediaTranslationUITest.php

...tests/src/Functional/MenuLinkContentTranslationUITest.php

...ortcut/tests/src/Functional/ShortcutTranslationUITest.php

...s/taxonomy/tests/src/Functional/TermTranslationUITest.php

...dules/user/tests/src/Functional/UserTranslationUITest.php