LayoutTest media/modern-media-controls/placard-support/placard-support-pip.html is timing out on El Capitan https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media/modern-media-controls/placard-support/placard-support-pip.html
This test is skipped on El Capitan because PIP is not supported.