Resync web-platform-tests/beacon tests from upstream.
Created attachment 414498 [details] Patch
Created attachment 414511 [details] Patch
Comment on attachment 414511 [details] Patch rs=me
Created attachment 414528 [details] Patch
commit-queue failed to commit attachment 414528 [details] to WebKit repository.
Committed r270032: <https://trac.webkit.org/changeset/270032> All reviewed patches have been landed. Closing bug and clearing flags on attachment 414528 [details].
<rdar://problem/71587929>