old_contents: import unittest
  import piglatin as pl
  
  class TestParseCommandLine(unittest.TestCase):
        
      #Test in empty input returns nothing.
      def test_noinput(self):
         self.assertEqual(pl.parseCommandLine([]),'')
         self.assertEqual(pl.parseCommandLine(['filename']),'')
  
      #Test if an inputstring is returned unchanged.
      def test_returnInputString(self):
          self.assertEqual(pl.parseCommandLine(['', 'inputString']),'inputString')
          
     
  """
      def test_isupper(self):
          self.assertTrue('FOO'.isupper())
          self.assertFalse('Foo'.isupper())
  
      def test_split(self):
          s = 'hello world'
          self.assertEqual(s.split(), ['hello', 'world'])
          # check that s.split fails when the separator is not a string
          with self.assertRaises(TypeError):
              s.split(2)
  """
  
  #if __name__ == '__main__':
  #    unittest.main()
  
new_contents: import unittest
  import piglatin as pl
  
  class TestParseCommandLine(unittest.TestCase):
  
      #Test in empty input returns nothing.
      def test_noinput(self):
         self.assertEqual(pl.parseCommandLine([]),'')
         self.assertEqual(pl.parseCommandLine(['filename']),'')
  
      #Test if an inputstring is returned unchanged.
      def test_returnInputString(self):
          self.assertEqual(pl.parseCommandLine(['', 'inputString']),'inputString')
  
      def test_oneWordTranslate(self):
          self.assertEqual(pl.translateToPig('pig'),'igpay')
  
  """
      def test_isupper(self):
          self.assertTrue('FOO'.isupper())
          self.assertFalse('Foo'.isupper())
  
      def test_split(self):
          s = 'hello world'
          self.assertEqual(s.split(), ['hello', 'world'])
          # check that s.split fails when the separator is not a string
          with self.assertRaises(TypeError):
              s.split(2)
  """
  
  #if __name__ == '__main__':
  #    unittest.main()
  
subject: Test for one word translation for #2