      def test_determine_renderer_default(self):
          """
          Test determine renderer when Accept was not specified.
          """
          renderers = (MockPickleRenderer, )
          response = self.get_response(accept_list=None, renderers=renderers)
          renderer, media_type = response._determine_renderer()
          self.assertEqual(media_type, '*/*')
          self.assertTrue(isinstance(renderer, MockPickleRenderer))
  
      def test_determine_renderer_no_renderer(self):
 
</s> remove         renderers = (MockJsonRenderer, )
        response = self.get_response(accept_list=accept_list, renderers=renderers)
 </s> add         renderer_classes = (MockJsonRenderer, )
        response = self.get_response(accept_list=accept_list, renderer_classes=renderer_classes) </s> remove         renderers = (MockPickleRenderer, MockJsonRenderer)
        response = self.get_response(accept_list=accept_list, renderers=renderers)
 </s> add         renderer_classes = (MockPickleRenderer, MockJsonRenderer)
        response = self.get_response(accept_list=accept_list, renderer_classes=renderer_classes) </s> remove         renderers = (MockPickleRenderer, )
        response = self.get_response(accept_list=accept_list, renderers=renderers)
 </s> add         renderer_classes = (MockPickleRenderer, )
        response = self.get_response(accept_list=accept_list, renderer_classes=renderer_classes) </s> remove         return Response(request=request, renderers=renderers)
 </s> add         return Response(request=request, renderer_classes=renderer_classes) </s> remove         renderer = self.renderers[0]
 </s> add         renderer = self.renderer_classes[0]
        renderer_classes = (MockPickleRenderer, )
        response = self.get_response(accept_list=None, renderer_classes=renderer_classes)
      def test_determine_renderer_default(self):
          """
          Test determine renderer when Accept was not specified.
          """
        renderer_classes = (MockPickleRenderer, )
        response = self.get_response(accept_list=None, renderer_classes=renderer_classes)
        renderer_classes = (MockPickleRenderer, )
        response = self.get_response(accept_list=None, renderer_classes=renderer_classes)
          renderer, media_type = response._determine_renderer()
          self.assertEqual(media_type, '*/*')
          self.assertTrue(isinstance(renderer, MockPickleRenderer))
  
      def test_determine_renderer_no_renderer(self):
keep keep keep keep replace replace keep keep keep keep keep
 Better naming for properties on views, requests and responses

renderers is now renderer_classes
parsers is now parser_classes
authentication is now authentication_classes 
djangorestframework/tests/response.py