  
  class TestResponseRenderContent(TestCase):
      def get_response(self, url='', accept_list=[], content=None, renderers=None):
          request = RequestFactory().get(url, HTTP_ACCEPT=','.join(accept_list))
          return Response(request=request, content=content, renderers=renderers or DEFAULT_RENDERERS)
  
      def test_render(self):
          """
          Test rendering simple data to json.
          """
 
</s> remove     def get_response(self, url='', accept_list=[], content=None, renderers=None):
 </s> add     def get_response(self, url='', accept_list=[], content=None, renderer_classes=None): </s> remove     def get_response(self, url='', accept_list=[], renderers=[]):
 </s> add     def get_response(self, url='', accept_list=[], 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         - renderers(list/tuple). The renderers to use for rendering the response content.
 </s> add         - renderer_classes(list/tuple). The renderers to use for rendering the response content.
        return Response(request=request, content=content, renderer_classes=renderer_classes or DEFAULT_RENDERERS)
  
  class TestResponseRenderContent(TestCase):
      def get_response(self, url='', accept_list=[], content=None, renderers=None):
          request = RequestFactory().get(url, HTTP_ACCEPT=','.join(accept_list))
        return Response(request=request, content=content, renderer_classes=renderer_classes or DEFAULT_RENDERERS)
  
      def test_render(self):
          """
          Test rendering simple data to json.
          """
keep keep keep keep 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