- tc "volume (1)" test_volume1,
- tc "doesn't contain point (1)" test_doesnt_contain_point1,
- tc "doesn't contain point (2)" test_doesnt_contain_point2,
- tc "doesn't contain point (3)" test_doesnt_contain_point3,
- tc "doesn't contain point (4)" test_doesnt_contain_point4,
- tc "doesn't contain point (5)" test_doesnt_contain_point5 ]