def test_does_not_abbreviate_shot_words(self):
     self.assertEqual(abbreviate('You'), 'You')
 def test_abbreviate_long_words(self):
     self.assertEqual(abbreviate('banana'), 'b4a')
 def test_abbreviate_sentences(self):
     self.assertEqual(abbreviate('double-barrel'), 'd4e-b4l')
     self.assertEqual(abbreviate('You, and I, should speak.'), 'You, and I, s4d s3k.')