230496 2021-09-20 12:06:36 -0700 [ iOS ] TestWebKitAPI.MediaLoading.RangeRequestSynthesisWithContentLength is a flaky failure 2021-10-14 08:38:31 -0700 1 1 1 Unclassified WebKit Media WebKit Nightly Build iPhone / iPad Unspecified NEW InRadar P2 Normal --- 1 ayumi_kojima webkit-unassigned jer.noble webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1795197 0 ayumi_kojima 2021-09-20 12:06:36 -0700 TestWebKitAPI.MediaLoading.RangeRequestSynthesisWithContentLength Is flaky failing on iOS. History: https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.MediaLoading.RangeRequestSynthesisWithContentLength /Volumes/Data/worker/ios-simulator-14-release/build/Tools/TestWebKitAPI/Tests/WebKitCocoa/MediaLoading.mm:146 Expected equality of these values: [webView _test_waitForAlert] Which is: "error" expectedMessage Which is: "playing" 1795198 1 webkit-bug-importer 2021-09-20 12:06:57 -0700 <rdar://problem/83318288> 1804282 2 ayumi_kojima 2021-10-14 08:38:31 -0700 I was not able to reproduce the failure locally on iOS 14 simulator using run-api-tests TestWebKitAPI.MediaLoading.RangeRequestSynthesisWithContentLength --ios-simulator --iterations 50. It looks like the same failure is seen on iOS15.