def METHOD_NAME(self, m_logger):
    tx = MessageTransaction.create(message_hash=b'Test Message',
                                   addr_to=None,
                                   fee=1,
                                   xmss_pk=self.alice.pk)
    txjson = tx.to_json()
    self.assertEqual(json.loads(test_json_MessageTransaction), json.loads(txjson))