http/tests/xmlhttprequest/head-redirection.html is flaky on Mac WK1 bots, failing somewhat infrequently in multiple ways. HEAD-301 - expected HEAD and received HEAD -HEAD-302 - expected HEAD and received HEAD +HEAD-302 - error HEAD-303 - expected HEAD and received GET HEAD-307 - expected HEAD and received HEAD or HEAD-301 - expected HEAD and received GET HEAD-302 - expected HEAD and received GET HEAD-303 - expected HEAD and received GET -HEAD-307 - expected HEAD and received HEAD +HEAD-307 - error
Confirmed not flaky: https://results.webkit.org/?suite=layout-tests&test=http/tests/xmlhttprequest/head-redirection.html.