Bug 874425 - Ensure that durationMs >= 0. r=yoric, a=test-only
Bug 783589 - Fix for intermittent test_popup-navigates-children.html, test_sibling-matching-parent.html failure. r=jlebar, a=test-only
Bug 909283 - Change all occurances of yield to (yield undefined) in test_cache_jar.js. r=jdm, a=test-only