code: def test_non_multigraph_input_mgi_none(self, dod, edges):
      # test constructor without to_networkx_graph for mgi=None
      G = self.Graph(dod)
      assert list(G.edges(keys=True, data=True)) == edges
  
imports: from collections import UserDict
  import pytest
  import networkx
  from networkx.utils import edges_equal
  from .test_graph import BaseAttrGraphTester
  from .test_graph import TestGraph
label_desc: Use image node_id 5 for calling the TestMultiGraph obj's underlying member method code with example usage: obj.test_non_multigraph_input_mgi_none(dod, edges) without return types