def METHOD_NAME(self):
    box = box_utils.CoordinateBox((0, 1), (0, 1), (0, 1))
    int_box = box_utils.CoordinateBox((0, 1), (0, 1), (0, 1))
    assert box.contains(int_box)
    ext_box = box_utils.CoordinateBox((0, 2), (0, 1), (0, 1))
    assert not box.contains(ext_box)