Bug 949227 - browser_bug609700.js | Found an unexpected tab at the end of test run: about:blank. r=gavin, a=test-only
Bug 546169 - Use an event listener instead of a timeout to avoid intermittent failures. r=gavin, a=test-only
Bug 950337 - Random failures in privatebrowsing/test/browser/browser_privatebrowsing_cache.js. r=ehsan, a=test-only