def METHOD_NAME(self):
    np.random.seed(0)
    rqz = np.random.rand(30, 3)*np.array([1, 2*np.pi, 1])
    xyz = np.vstack(cyl2cart(*rqz.T)).T
    net = op.network.Voronoi(points=xyz, shape=[1, 0])
    assert np.all(net.coords[:, -1] == 0.0)
    assert np.all(op.topotools.dimensionality(net) == [True, True, False])