code: def test_several_communities(self):
      # This graph is the disjoint union of five triangles.
      ground_truth = {
          frozenset(range(3 * i, 3 * (i + 1))) for i in range(5)
      }
      edges = chain.from_iterable(
          combinations(c, 2) for c in ground_truth
      )
      G = nx.Graph(edges)
      self._check_communities(G, ground_truth)
  
imports: from itertools import chain, combinations
  import pytest
  import networkx
label_desc: Use image node_id 6 for calling the TestAsynLpaCommunities obj's underlying member method code with example usage: obj.test_several_communities() without return types