Fix Django 1.7+ tests
Fix Django 1.7+ tests

turns out the fixtures gave a different result then using get_model()

edoburu/django-fluent-comments,BangorUniversity/django-fluent-comments,django-fluent/django-fluent-comments,django-fluent/django-fluent-comments,django-fluent/django-fluent-comments,edoburu/django-fluent-comments,django-fluent/django-fluent-comments,BangorUniversity/django-fluent-comments,BangorUniversity/django-fluent-comments,edoburu/django-fluent-comments