https://bugs.webkit.org/show_bug.cgi?id=221359 Reviewed by Dean Jackson. Attempt to make this test more stable by awaiting the resolution of the animation.ready promise as well as UIHelper.renderingUpdate() to ensure the animation has been committed. * compositing/animation/keyframe-order.html: Canonical link: https://commits.webkit.org/236330@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@275752 268f45cc-cd09-0410-ab3c-d52691b4dbfc
