imported/w3c/web-platform-tests/xhr/event-timeout.any.worker.html Test is a flaky failure according to history on macOS Debug and iOS Debug. First occurrence of failure on macOS is at r267227 and on iOS is at r267719 History: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fxhr%2Fevent-timeout.any.worker.html&platform=ios&platform=mac&limit=50000&style=debug Diff: --- /Volumes/Data/slave/catalina-debug-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/xhr/event-timeout.any.worker-expected.txt +++ /Volumes/Data/slave/catalina-debug-tests-wk1/build/layout-test-results/imported/w3c/web-platform-tests/xhr/event-timeout.any.worker-actual.txt @@ -1,3 +1,3 @@ -PASS XMLHttpRequest: timeout event +FAIL XMLHttpRequest: timeout event assert_unreached: ontimeout not called. Reached unreachable code
<rdar://problem/70230801>
Test expectation while investigated: https://trac.webkit.org/changeset/268380/webkit