code: def setUp(self):
      self.g = Graph.Full(6)
      self.g.delete_edges([(0, 1), (0, 2), (3, 5)])
  
imports: import unittest
  from igraph import Graph
  from .utils import temporary_file
label_desc: Use image node_id 1 for calling the CliqueTests obj's underlying member method code with example usage: obj.setUp() without return types