def test_underscore_string(self): self.assertEqual(tree_attribute('_underscore'), False)
def test_simple_lowercase_string(self): self.assertEqual(tree_attribute('lowercase'), False)
def test_simple_uppercase_string(self): self.assertEqual(tree_attribute('UPPERCASE'), True)
def test_unicode_string(self): if py_version != 2: raise SkipTest self.assertEqual(tree_attribute('𝜗unicode'), True)