The performance test IndexedDB/large-number-of-inserts-responsiveness.html timeouts always on the GTK+ and EFL ports. This test was added on r209672 <http://trac.webkit.org/r209672>
This test was skipped for the GTK+ and EFL Perf bots in https://trac.webkit.org/changeset/211430/trunk/PerformanceTests/Skipped