code: def test_not_complete_graph(self):
      pytest.raises(
          nx.NetworkXError, nx_app.greedy_tsp, self.incompleteUG
      )
      pytest.raises(
          nx.NetworkXError, nx_app.greedy_tsp, self.incompleteDG
      )
  
imports: import random
  import pytest
  import networkx
  import networkx.algorithms.approximation
label_desc: Use image node_id 2 for calling the TestGreedyTSP obj's underlying member method code with example usage: obj.test_not_complete_graph() without return types