code: def test_valid(self):
      node = [1, 1, 1, 2, 1, 2, 0, 0]
      tri = [0, 0, 0, 0, 0, 1, 1, 1]
      joint_degree_sequence = zip(node, tri)
      G = networkx.random_clustered_graph(joint_degree_sequence)
      assert G.number_of_nodes() == 8
      assert G.number_of_edges() == 7
  
imports: import pytest
  import networkx
label_desc: Use image node_id 1 for calling the TestRandomClusteredGraph obj's underlying member method code with example usage: obj.test_valid() without return types