code: def testClusteringMembership(self):
      self.assertTrue(
          self.cl.membership == [0, 0, 0, 1, 1, 2, 1, 1, 4, 4]
      )
  
imports: import math
  import random
  import unittest
  from igraph import Clustering, CohesiveBlocks, Cover, Graph, Histogram, InternalError, UniqueIdGenerator, VertexClustering, compare_communities, split_join_distance, set_random_number_generator
label_desc: Use image node_id 4 for calling the ClusteringTests obj's underlying member method code with example usage: obj.testClusteringMembership() without return types