def test_onChallengeMalformed(self):
        d = self.init.start()
        challenge = domish.Element((NS_XMPP_SASL, 'challenge'))
        challenge.addContent('a')
        self.init.onChallenge(challenge)
        self.assertFailure(d, sasl.SASLIncorrectEncodingError)
        return d
Return the list of valid laplacian methods
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/words/test/test_jabbersasl.py/SASLInitiatingInitializerTest.test_onChallengeMalformed--crossover with--dataset/ETHPy150Open mmp2/megaman/megaman/geometry/laplacian.py/laplacian_methods