def METHOD_NAME(self):
    root = pyhit.load(os.path.join('..', '..', 'test_files', 'test.hit'))
    root(1).setComment('update section comment')
    self.assertEqual(root(1).comment(), "update section comment")
    root(0,0).setComment('update sub-section comment')
    self.assertEqual(root(0,0).comment(), "update sub-section comment")
    root(1,0,0).setComment('type', 'update param comment')
    self.assertEqual(root(1,0,0).comment('type'), "update param comment")