def METHOD_NAME(self):
    self.validator.introspect_token.return_value = None
    body = urlencode([('token', 'foo')])
    h, b, s = self.endpoint.create_introspect_response(self.uri,
            headers=self.headers, body=body)
    self.assertEqual(h, self.resp_h)
    self.assertEqual(loads(b), {"active": False})
    self.assertEqual(s, 200)