See:
https://github.com/mozilla/kitsune/blob/master/kitsune/dashboards/cron.py#L110
https://github.com/mozilla/kitsune/blob/master/kitsune/dashboards/cron.py#L152
https://github.com/mozilla/kitsune/blob/master/kitsune/dashboards/cron.py#L158

which is what we're testing here.