They should be in WPT!
<rdar://problem/101195553>
Pull request: https://github.com/WebKit/WebKit/pull/5406
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/36472
Committed 255569@main (326e3efa211f): <https://commits.webkit.org/255569@main> Reviewed commits have been landed. Closing PR #5406 and removing active labels.