fast/selectors/is-complex.html Is constantly timing out on iOS15 Debug. History: https://results.webkit.org/?suite=layout-tests&test=fast%2Fselectors%2Fis-complex.html Result page: https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r283543%20(66)/results.html No diff.
<rdar://problem/83999062>
It looks like the test is slow on Debug. Marked expectations as slow: https://trac.webkit.org/changeset/283744/webkit