code: def test_all_pairs_connectivity_nbunch(self):
      G = nx.complete_graph(5)
      nbunch = [0, 2, 3]
      C = nx.all_pairs_node_connectivity(G, nbunch=nbunch)
      assert len(C) == len(nbunch)
  
imports: import itertools
  import pytest
  import networkx
  from networkx.algorithms import flow
  from networkx.algorithms.connectivity import local_edge_connectivity, local_node_connectivity
label_desc: Use image node_id 5 for calling the TestAllPairsNodeConnectivity obj's underlying member method code with example usage: obj.test_all_pairs_connectivity_nbunch() without return types