def test_order_by_asc(self):
        s = self.cls("path", {"sortfield": "name", "sortdirection": "asc"})
        self.assertEqual(s.order_by, ("name",))
order_by property returns "field" for ascending sort on "field".
dataset/ETHPy150Open mozilla/moztrap/tests/view/lists/test_sort.py/SortTest.test_order_by_asc