Resync web-platform-tests/eventsource from upstream.
Created attachment 404008 [details] Patch
Comment on attachment 404008 [details] Patch rs=me
Committed r264245: <https://trac.webkit.org/changeset/264245> All reviewed patches have been landed. Closing bug and clearing flags on attachment 404008 [details].
<rdar://problem/65370021>