fixed tests for required activity
fixed tests for required activity

--HG--
branch : feature/billable

arbitrahj/django-timepiece,BocuStudio/django-timepiece,BocuStudio/django-timepiece,gaga3966/django-timepiece,dannybrowne86/django-timepiece,arbitrahj/django-timepiece,caktus/django-timepiece,dannybrowne86/django-timepiece,josesanch/django-timepiece,gaga3966/django-timepiece,caktus/django-timepiece,arbitrahj/django-timepiece,caktus/django-timepiece,dannybrowne86/django-timepiece,josesanch/django-timepiece,josesanch/django-timepiece,BocuStudio/django-timepiece,gaga3966/django-timepiece