code: def test_different_order3(self):
      G1 = nx.complete_graph(7)
      G2 = nx.complete_graph(8)
      assert not vf2pp_is_isomorphic(G1, G2)
  
imports: import itertools
  import pytest
  import networkx
  from networkx import vf2pp_is_isomorphic, vf2pp_isomorphism
label_desc: Use image node_id 5 for calling the TestPreCheck obj's underlying member method code with example usage: obj.test_different_order3() without return types