web-platform-tests/css/css-properties-values-api/register-property.html
Pull request: https://github.com/WebKit/WebKit/pull/8612
<rdar://problem/104254311>
Committed 258909@main (6736a31764fa): <https://commits.webkit.org/258909@main> Reviewed commits have been landed. Closing PR #8612 and removing active labels.