'Send command with bad arguments.
@return: L{Deferred} of command response'

def test_BadCommandArgs(self):

    d = self._anonymousLogin()
    self.assertCommandFailed('MODE    z', ["504    Not    implemented    for    parameter    'z'."], chainDeferred=d)
    self.assertCommandFailed('STRU    I', ["504    Not    implemented    for    parameter    'I'."], chainDeferred=d)
    return d
