def METHOD_NAME(self):
    for ps, expect in self.ps:
        for absolute in [True, False]:
            with self.subTest(ps=ps, expect=expect, absolute=absolute):
                distance = great_circle_distance(*ps, absolute=absolute)
                distance_r = great_circle_distance(*ps[::-1], absolute=absolute)
                self.assertTrue(isclose(distance, distance_r))
                if (ps[0] == ps[1]).all():
                    self.assertTrue(np.isclose(distance, 0.0))