def test_change_comb_rule(self):
top = Topology()
assert top.combining_rule == 'lorentz'
top.combining_rule = 'geometric'
assert top.combining_rule == 'geometric'
with pytest.raises(GMSOError):
top.combining_rule = 'kong'
def test_change_comb_rule(self):
top = Topology()
assert top.combining_rule == "lorentz"
top.combining_rule = "geometric"
assert top.combining_rule == "geometric"
with pytest.raises(GMSOError):
top.combining_rule = "kong"
