      def test_render_none(self):
          """
          Test XML rendering.
          """
          renderer = XMLRenderer(None)
          content = renderer.render({'field': None}, 'application/xml')
          self.assertXMLContains(content, '<field></field>')
  
      def test_render_complex_data(self):
          """
 
</s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer() </s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer() </s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer() </s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer() </s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer()
        renderer = XMLRenderer()
      def test_render_none(self):
          """
          Test XML rendering.
          """
        renderer = XMLRenderer()
          content = renderer.render({'field': None}, 'application/xml')
          self.assertXMLContains(content, '<field></field>')
  
      def test_render_complex_data(self):
          """
keep keep keep keep replace keep keep keep keep keep
 Make sure JSON output in Browseable API is nicely indented 
rest_framework/tests/renderers.py