def METHOD_NAME(self):
    legs = get_legs(self.dn_eq, 1, 0.0)
    assert len(legs) == 4
    assert "lower_inner" in legs
    assert "lower_outer" in legs
    assert len(legs["lower_inner"]) == 1
    assert len(legs["lower_outer"]) == 1
    x1 = legs["lower_inner"][0].x[0]
    legs = get_legs(self.dn_eq, 1, 1.0)
    assert len(legs) == 4
    assert "lower_inner" in legs
    assert "lower_outer" in legs
    assert len(legs["lower_inner"]) == 1
    assert len(legs["lower_outer"]) == 1
    x2 = legs["lower_inner"][0].x[0]
    assert np.isclose(x1, x2)