Different WebKitTestRunner instances should use different service worker registrations databases.
Created attachment 328838 [details] Patch
Still building locally.
Comment on attachment 328838 [details] Patch Clearing flags on attachment: 328838 Committed r225690: <https://trac.webkit.org/changeset/225690>
All reviewed patches have been landed. Closing bug.
<rdar://problem/35939609>