Resync service-worker WPT tests from upstream.
Created attachment 432496 [details] Patch
Created attachment 432508 [details] Patch
Created attachment 432511 [details] Patch
Comment on attachment 432511 [details] Patch rs=me
Committed r279389 (239254@main): <https://commits.webkit.org/239254@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 432511 [details].