Bug 259134

Description: imported/w3c/web-platform-tests/screen-orientation/unlock.html The first failure I saw on the dashboard was at 257554@main, where it began to flaky fail from consistently passing. ------------- BUG AUDIT TRAIL ------------- 257462@main --> Passed 257507@main --> Passed 257550@main --> Passed 257553@main --> Passed 257554@main --> Failed 257555@main --> Failed ------------- BUG AUDIT TRAIL END ------------- The test later at 265284@main goes from flaky failing to consistently failing. [1/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [2/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [3/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [4/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [5/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [6/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [7/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [8/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [9/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) [10/10] imported/w3c/web-platform-tests/screen-orientation/unlock.html failed unexpectedly (text diff) Regressions: Unexpected text-only failures (1) imported/w3c/web-platform-tests/screen-orientation/unlock.html [ Failure ] ------------- BUG AUDIT TRAIL ------------- 265284@main --> Failed 265283@main --> Flaky Failed ------------- BUG AUDIT TRAIL END ------------- This issue can be bisected to 265284@main using command: run-webkit-tests --release --iterations=1 --force --ios-simulator imported/w3c/web-platform-tests/screen-orientation/unlock.html History: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fscreen-orientation%2Funlock.html&platform=ios&recent=false Diff: @@ -4,5 +4,5 @@ PASS unlock() returns a void value PASS unlock() doesn't throw when there is no lock with fullscreen PASS unlock() aborts a pending lock request -FAIL unlock() aborts a pending lock request across documents promise_rejects_dom: function "function () { throw e }" threw object "SecurityError: Locking the screen orientation is only allowed when in fullscreen" that is not a DOMException AbortError: property "code" is equal to 18, expected 20 +FAIL unlock() aborts a pending lock request across documents promise_test: Unhandled rejection with value: object "TypeError: Type error"