Resync web-platform-tests/domparsing from upstream.
Created attachment 402609 [details] Patch
Comment on attachment 402609 [details] Patch rs=me
Committed r263439: <https://trac.webkit.org/changeset/263439> All reviewed patches have been landed. Closing bug and clearing flags on attachment 402609 [details].
<rdar://problem/64680182>