code: def test_triangle_graph(self):
      G = nx.complete_graph(3)
      H = nx.inverse_line_graph(G)
      alternative_solution = nx.Graph()
      alternative_solution.add_edges_from([[0, 1], [0, 2], [0, 3]])
      # there are two alternative inverse line graphs for this case
      # so long as we get one of them the test should pass
      assert nx.is_isomorphic(H, G) or nx.is_isomorphic(
          H, alternative_solution
      )
  
imports: import pytest
  import networkx
  from networkx.generators import line
  from networkx.utils import edges_equal
label_desc: Use image node_id 5 for calling the TestGeneratorInverseLine obj's underlying member method code with example usage: obj.test_triangle_graph() without return types