def setUp(self):
        p = pop3.POP3()
        p.mbox = self.mailboxType(self.exceptionType)
        p.schedule = list
        self.pop3Server = p

        s = StringIO.StringIO()
        p.transport = internet.protocol.FileWrapper(s)
        p.connectionMade()
        s.truncate(0)
        self.pop3Transport = s
Make a POP3 server protocol instance hooked up to a simple mailbox and
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/test/test_pop3.py/CommandMixin.setUp