fix failing unit tests

test/test_parsing_command_nonauth.py

@@ -1,31 +1,18 @@
 
 import unittest
-from unittest.mock import patch, MagicMock
 
-from pysasl import ServerMechanism
-
-from pymap.parsing import NotParseable
 from pymap.parsing.command import *  # NOQA
 from pymap.parsing.command.nonauth import *  # NOQA
 
 
 class TestAuthenticateCommand(unittest.TestCase):
 
-    @patch.object(ServerMechanism, 'get_available')
-    def test_parse(self, get_mock):
-        plain_mock = MagicMock()
-        get_mock.return_value = {'PLAIN': plain_mock}
+    def test_parse(self):
         ret, buf = AuthenticateCommand._parse(b'tag', b' PLAIN\n  ')
         self.assertEqual(b'tag', ret.tag)
-        self.assertEqual(plain_mock(), ret.mech)
+        self.assertEqual(b'PLAIN', ret.mech_name)
         self.assertEqual(b'  ', buf)
 
-    @patch.object(ServerMechanism, 'get_available')
-    def test_parse_error(self, get_mock):
-        get_mock.return_value = {}
-        with self.assertRaises(NotParseable):
-            AuthenticateCommand._parse(b'tag', b' PLAIN\n  ')
-
 
 class TestLoginCommand(unittest.TestCase):