code: def test_example(self):
      G = nx.Graph()
      G_edges = [
          [1, 2],
          [1, 3],
          [1, 4],
          [1, 5],
          [2, 3],
          [2, 5],
          [2, 6],
          [2, 7],
          [3, 4],
          [3, 5],
          [6, 7],
          [6, 8],
          [7, 8],
      ]
      G.add_edges_from(G_edges)
      H = nx.inverse_line_graph(G)
      solution = nx.Graph()
      solution_edges = [
          ("a", "b"),
          ("a", "c"),
          ("a", "d"),
          ("a", "e"),
          ("c", "d"),
          ("e", "f"),
          ("e", "g"),
          ("f", "g"),
      ]
      solution.add_edges_from(solution_edges)
      assert nx.is_isomorphic(H, solution)
  
imports: import pytest
  import networkx
  from networkx.generators import line
  from networkx.utils import edges_equal
label_desc: Use image node_id 1 for calling the TestGeneratorInverseLine obj's underlying member method code with example usage: obj.test_example() without return types