Update access_controlled_test for new run_jobs behavior

Check for reset queued_at time
Make mongo updates more readable and reusable, externalize retry constants for test, raise exception if exceeding the retry limit

Make sure the op is even in a state we recognize before trying to grab it
Merge pull request #9 from liggitt/abhgupta-abhgupta-scheduler

Update test, add exception when run_jobs fails, externalize retry constants for test, fix typo in Team