Resync web-platform-tests/dom from upstream.
Created attachment 448606 [details] Patch
Created attachment 448619 [details] Patch
Comment on attachment 448619 [details] Patch r=me
Committed r287788 (245848@main): <https://commits.webkit.org/245848@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 448619 [details].
<rdar://problem/87274316>