webarchive/loading/test-loading-archive-subresource-null-mimetype.html Test appears to be passing according to history. Test expectations need to be removed from both macOS and iOS. History: https://results.webkit.org/?suite=layout-tests&test=webarchive%2Floading%2Ftest-loading-archive-subresource-null-mimetype.html
<rdar://problem/66056622>
Created attachment 405150 [details] Patch
Committed r264832: <https://trac.webkit.org/changeset/264832> All reviewed patches have been landed. Closing bug and clearing flags on attachment 405150 [details].