old_contents: from __future__ import absolute_import, unicode_literals
  
  from mock import patch
  
  from tests.mpd import protocol
  
  
  class ConnectionHandlerTest(protocol.BaseTestCase):
  
      def test_close_closes_the_client_connection(self):
          with patch.object(self.session, 'close') as close_mock:
              self.send_request('close')
              close_mock.assertEqualResponsecalled_once_with()
          self.assertEqualResponse('OK')
  
      def test_empty_request(self):
          self.send_request('')
          self.assertEqualResponse('ACK [5@0] {} No command given')
  
          self.send_request('  ')
          self.assertEqualResponse('ACK [5@0] {} No command given')
  
      def test_kill(self):
          self.send_request('kill')
          self.assertEqualResponse(
              'ACK [4@0] {kill} you don\'t have permission for "kill"')
  
      def test_ping(self):
          self.send_request('ping')
          self.assertEqualResponse('OK')
  
new_contents: from __future__ import absolute_import, unicode_literals
  
  from mock import patch
  
  from tests.mpd import protocol
  
  
  class ConnectionHandlerTest(protocol.BaseTestCase):
  
      def test_close_closes_the_client_connection(self):
          with patch.object(self.session, 'close') as close_mock:
              self.send_request('close')
              close_mock.assert_called_once_with()
          self.assertEqualResponse('OK')
  
      def test_empty_request(self):
          self.send_request('')
          self.assertEqualResponse('ACK [5@0] {} No command given')
  
          self.send_request('  ')
          self.assertEqualResponse('ACK [5@0] {} No command given')
  
      def test_kill(self):
          self.send_request('kill')
          self.assertEqualResponse(
              'ACK [4@0] {kill} you don\'t have permission for "kill"')
  
      def test_ping(self):
          self.send_request('ping')
          self.assertEqualResponse('OK')
  
subject: Fix typo in mock usage