The media/video-page-load-preload-none.html layout test is flaky on GTK+ since it was added on r182081 (https://trac.webkit.org/changeset/r182081). When it fails, the diff is the following: --- /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/media/video-page-load-preload-none-expected.txt +++ /home/slave/webkitgtk/gtk-linux-64-release-tests/build/layout-test-results/media/video-page-load-preload-none-actual.txt @@ -3,6 +3,6 @@ inline script -EVENT(load) +EVENT(stalled) TEST(false) FAIL END OF TEST