The critical output line: "FAIL timestamp should be >= startTime. Was Wed Mar 20 2013 15:06:36 GMT-0700 (Pacific Daylight Time) (of type object)."
Assignee and CC based on who's touched this testcase before.
This is a problem with the clock functions on Windows XP / Win 7; time sometimes appears to move backwards.
https://code.google.com/p/chromium/issues/detail?id=282620 gives more details.
Closing as wontfix on this bugtracker.