def METHOD_NAME(self):
    np.random.seed(0)
    net = op.network.Voronoi(points=30, shape=[1, 1, 1])
    assert net.Np > 30
    assert not np.all(net.coords[:, -1] == 0.0)
    assert np.all(op.topotools.dimensionality(net) == [True, True, True])