def testLAST(self):
        p = self.pop3Server
        s = self.pop3Transport
        p.mbox.messages.append(self.extraMessage)

        p.lineReceived('LAST')
        self.assertEquals(
            s.getvalue(),
            "+OK 0\r\n")
        s.truncate(0)
Test the exceedingly pointless LAST command, which tells you the
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/test/test_pop3.py/CommandMixin.testLAST