def test_get_root_tiers(self):
        root_tiers = self._parser.get_root_tiers()
        assert len(root_tiers) == 1
        assert root_tiers[0].name < 'source'
dataset/ETHPy150Open cidles/poio-api/src/poioapi/tests/io/test_odin.py/TestParser.test_get_root_tiers/operator `==` -> `<`