webgl/2.0.0/conformance2/reading/read-pixels-pack-parameters.html is failing consistently on iOS. e.g.: https://ews-build.webkit.org/results/iOS-13-Simulator-WK2-Tests-EWS/r387075-7972-clean-tree/results.html https://results.webkit.org/?suite=layout-tests&test=webgl%2F2.0.0%2Fconformance2%2Freading%2Fread-pixels-pack-parameters.html This test was marked failing on HighSierra+ in https://trac.webkit.org/changeset/254148/webkit. Seems like TestExpectation for iOS also needs to be updated.
<rdar://problem/58411140>
Skipped in https://trac.webkit.org/changeset/254279/webkit