def test_common_names(self):
     """
         Our model requires that all stop words are lower cased. So these names must be as well.
     """
     for name in common_names("census-dist-2500-last.txt"):
         self.assertTrue(name.islower())
 def test_size(self):
     """
         Check if we have the right census file (to get 2500 last names)
     """
     self.assertTrue(len(common_names("census-dist-2500-last.txt")) == 2500)