imported/w3c/web-platform-tests/css/css-images/image-set/image-set-parsing.html This test is a flakey timeout according to history. The first occurrence of a timeout is at r264721. Seems to coincide with re-sync: https://trac.webkit.org/changeset/264522/webkit History: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-images%2Fimage-set%2Fimage-set-parsing.html&limit=50000&platform=ios Diff: Timeout
Test expectation while investigated: https://trac.webkit.org/changeset/265438/webkit
<rdar://problem/66788955>