Test the get_backend() function.
Test the get_backend() function.

christang/django-registration-1.5,CoatedMoose/django-registration,QPmedia/django-registration,fedenko/django-registration,AndrewLvov/django-registration,maraujop/django-registration,rafaduran/django-pluggable-registration,thedod/django-registration-hg-mirror,siddharthsarda/django-registration,rbarrois/django-registration,pelletier/django-registration-81,rbarrois/django-registration,christang/django-registration-1.5,newvem/django-registration,CoatedMoose/django-registration,aptivate/django-registration,fedenko/django-registration,aptivate/django-registration,newvem/django-registration,QPmedia/django-registration,AndrewLvov/django-registration