This failure is flagged as expected but actually since r277175 and with a few fixes the test passes.
Created attachment 428005 [details] Patch
*** Bug 225552 has been marked as a duplicate of this bug. ***
Committed r277261 (237528@main): <https://commits.webkit.org/237528@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 428005 [details].
<rdar://problem/77738687>