Fixed channel timeout test

Author: Dan

tests/test_pssh_client.py

@@ -942,9 +942,9 @@ def test_pty(self):
         self.assertTrue(exit_code == 0)
 
     def test_channel_timeout(self):
-        del self.client
         cmd = "sleep 2; echo me"
-        self.client = ParallelSSHClient([self.host], channel_timeout=1)
+        self.client = ParallelSSHClient([self.host], port=self.listen_port,
+                                        pkey=self.user_key, channel_timeout=.1)
         output = self.client.run_command(cmd)
         self.assertRaises(socket_timeout, list, output[self.host]['stdout'])