def test_localToRemoteForwarding(self):
        """
        Test that we can use whatever client to forward a local port to a
        specified port on the server.
        """
        localPort = self._getFreePort()
        process = ConchTestForwardingProcess(localPort, b'test\n')
        d = self.execute('', process,
                         sshArgs='-N -L%i:127.0.0.1:%i'
                         % (localPort, self.echoPort))
        d.addCallback(self.assertEqual, b'test\n')
        return d

        Test that we can use whatever client to forward a local port to a
        specified port on the server.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_conch.py