def test_too_long(self):
        un = autocreate_username('f' + 'u' * 255)
        assert not un.startswith('fuuuuuuuuuuuuuuuuuu'), un % 'Unexpected: %s'
dataset/ETHPy150Open mozilla/addons-server/src/olympia/users/tests/test_user_utils.py/TestAutoCreateUsername.test_too_long/swapped operands of `%`