def testLISTWithBadArgument(self):
        p = self.pop3Server
        s = self.pop3Transport

        p.lineReceived("LIST a")
        self.assertEquals(
            s.getvalue(),
            "-ERR Invalid message-number: 'a'\r\n")
        s.truncate(0)

        p.lineReceived("LIST 0")
        self.assertEquals(
            s.getvalue(),
            "-ERR Invalid message-number: 0\r\n")
        s.truncate(0)

        p.lineReceived("LIST 2")
        self.assertEquals(
            s.getvalue(),
            "-ERR Invalid message-number: 2\r\n")
        s.truncate(0)
Redirect to the Project Detail Page when attempting to add the 21st step
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/test/test_pop3.py/CommandMixin.testLISTWithBadArgument--crossover with--dataset/ETHPy150Open python/raspberryio/raspberryio/project/tests/test_views.py/ProjectStepCreateEditTestCase.test_redirect_after_limit