media/video-controls-captions.html is failing since it's been introduced in r127035 http://trac.webkit.org/changeset/127035 The GTK media controls don't show the new button so that's probably the reason this test fails.
Fails on EFL port as well.
And windows
*** Bug 95415 has been marked as a duplicate of this bug. ***
This test gives timeout on GTK now.
This test is gone.
<rdar://problem/76647797>