              if expect is not None:
                  self.assertEqual(response['X-Throttle-Wait-Seconds'], expect)
                  self.assertEqual(response['Retry-After'], expect)
              else:
                  self.assertFalse('X-Throttle-Wait-Seconds' in response)
                  self.assertFalse('Retry-After' in response)
  
      def test_seconds_fields(self):
          """
          Ensure for second based throttles.
 
</s> remove                 self.assertEqual(response['X-Throttle-Wait-Seconds'], expect)
 </s> add  </s> remove         self.assertFalse('X-Throttle-Wait-Seconds' in response)
 </s> add  </s> remove         self.assertFalse('X-Throttle-Wait-Seconds' in response)
 </s> add  </s> remove         Ensure the response returns an X-Throttle field with status and next attributes
 </s> add         Ensure the response returns an Retry-After field with status and next attributes </s> remove             headers['X-Throttle-Wait-Seconds'] = '%d' % exc.wait
 </s> add 
              if expect is not None:
                  self.assertEqual(response['X-Throttle-Wait-Seconds'], expect)
                  self.assertEqual(response['Retry-After'], expect)
              else:

                  self.assertFalse('Retry-After' in response)
  
      def test_seconds_fields(self):
          """
          Ensure for second based throttles.
keep keep keep keep replace keep keep keep keep keep
 Throttles now use Retry-After header and no longer support the custom style 
tests/test_throttling.py