code: def testCliqueNumber(self):
      self.assertEqual(self.g.clique_number(), 4)
      self.assertEqual(self.g.omega(), 4)
  
imports: import unittest
  from igraph import Graph
  from .utils import temporary_file
label_desc: Use image node_id 6 for calling the CliqueTests obj's underlying member method code with example usage: obj.testCliqueNumber() without return types