Hardly the first time, but the time when I finally decided I should stop ignoring them. http://tinderbox.mozilla.org/showlog.cgi?log=TraceMonkey/1284014009.1284015878.7795.gz Rev3 MacOSX Leopard 10.5.8 tracemonkey debug test mochitest-other on 2010/09/08 23:33:29 s: talos-r3-leopard-037 TEST-UNEXPECTED-FAIL | chrome://mochikit/content/browser/toolkit/mozapps/extensions/test/browser/browser_uninstalling.js | Add-on should not be pending uninstall TEST-UNEXPECTED-FAIL | chrome://mochikit/content/browser/toolkit/mozapps/extensions/test/browser/browser_uninstalling.js | Should have a remove button - Didn't expect null, but got it TEST-UNEXPECTED-FAIL | chrome://mochikit/content/browser/toolkit/mozapps/extensions/test/browser/browser_uninstalling.js | Test timed out TEST-UNEXPECTED-FAIL | chrome://mochikit/content/browser/toolkit/mozapps/extensions/test/browser/browser_uninstalling.js | Found a tab after previous test timed out: about:addons

Optimistically calling this fixed by bug 561506