Import /apng tests from WPT https://w3c-test.org/apng/
Created attachment 380616 [details] Patch Test EWS
Created attachment 380639 [details] Patch
Created attachment 380919 [details] Patch Update expectations
Created attachment 380920 [details] Patch fix typo in expectations
All bots green: review?
Comment on attachment 380920 [details] Patch Clearing flags on attachment: 380920 Committed r251163: <https://trac.webkit.org/changeset/251163>
All reviewed patches have been landed. Closing bug.
<rdar://problem/56313176>