Import web-platform-tests/web-locks API tests from upstream.
Created attachment 442637 [details] Patch
Created attachment 442707 [details] Patch
Comment on attachment 442707 [details] Patch r=me once bots are happy
Committed r284982 (243629@main): <https://commits.webkit.org/243629@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 442707 [details].
<rdar://problem/84759914>