old_contents: #!/usr/bin/env python
  # coding: utf-8
  
  from test_base import TestBase
  from mockito import mock, Mock
  
  class AliasesTest(TestBase):
    def testMockCreationAlias(self):
      self.assertEquals(mock, Mock)
    
  if __name__ == '__main__':
      import unittest    
      unittest.main()
  
new_contents: #!/usr/bin/env python
  # coding: utf-8
  
  from test_base import TestBase
  from mockito import mock, Mock
  import warnings
  
  class AliasesTest(TestBase):
    def testMockCreationAlias(self):
        warnings.simplefilter("ignore")      
        self.assertTrue(isinstance(Mock(), mock))
    
  if __name__ == '__main__':
      import unittest    
      unittest.main()
  
subject: Fix test-case.