code: def test_not_complete_graph(self):
      pytest.raises(
          nx.NetworkXError,
          self.tsp,
          self.incompleteUG,
          "greedy",
          source=0,
      )
      pytest.raises(
          nx.NetworkXError,
          self.tsp,
          self.incompleteDG,
          "greedy",
          source=0,
      )
  
imports: import random
  import pytest
  import networkx
  import networkx.algorithms.approximation
label_desc: Use image node_id 4 for calling the TestSimulatedAnnealingTSP obj's underlying member method code with example usage: obj.test_not_complete_graph() without return types