code: def setUp(self):
      self.clusterings = [
          ([0, 0, 0, 1, 1, 1], [1, 1, 1, 0, 0, 0]),
          ([0, 0, 0, 1, 1, 1], [0, 0, 1, 1, 2, 2]),
          ([0, 0, 0, 0, 0, 0], [0, 1, 2, 3, 4, 5]),
          (
              [0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 2],
              [2, 0, 1, 0, 2, 0, 2, 0, 1, 0, 3, 1],
          ),
      ]
  
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 1 for calling the ComparisonTests obj's underlying member method code with example usage: obj.setUp() without return types