Fix tests for django 1.6 and 1.7

Created by: fle

Hi!

• For django 1.6, I think we need to set object_list view attribute before calling get_context_data instead of passing it as a kwarg because of the evolution of ListView.get_context_data first line in django1.6 :
  • queryset = kwargs.pop('object_list')
  • queryset = kwargs.pop('object_list', self.object_list)
• For django 1.7, we need to specify MIDDLEWARE_CLASSES and run django.setup()