Fix users.tasks tests.
Fix users.tasks tests.

mozilla/mozillians,fxa90id/mozillians,safwanrahman/mozillians,chirilo/mozillians,mozilla/mozillians,fxa90id/mozillians,anistark/mozillians,anistark/mozillians,johngian/mozillians,akatsoulas/mozillians,hoosteeno/mozillians,safwanrahman/mozillians,safwanrahman/mozillians,akarki15/mozillians,justinpotts/mozillians,mozilla/mozillians,safwanrahman/mozillians,chirilo/mozillians,chirilo/mozillians,justinpotts/mozillians,johngian/mozillians,justinpotts/mozillians,hoosteeno/mozillians,akatsoulas/mozillians,brian-yang/mozillians,brian-yang/mozillians,akatsoulas/mozillians,anistark/mozillians,akatsoulas/mozillians,ChristineLaMuse/mozillians,akarki15/mozillians,johngian/mozillians,brian-yang/mozillians,chirilo/mozillians,justinpotts/mozillians,johngian/mozillians,akarki15/mozillians,hoosteeno/mozillians,fxa90id/mozillians,ChristineLaMuse/mozillians,anistark/mozillians,akarki15/mozillians,fxa90id/mozillians,mozilla/mozillians,ChristineLaMuse/mozillians,brian-yang/mozillians,hoosteeno/mozillians