def METHOD_NAME(self):
    # Cannot marshal functions or methods, obviously
    def foo():
        pass
    body = FauxInstance(public=foo)
    faux = FauxResponse()
    response = self._makeOne(faux)
    response.setBody(body)
    func = xmlrpc.client.loads(faux._body)
    self.assertEqual(func, (({'public': {}},), None))