code: def setup_method(self):
      self.G1 = nx.MultiDiGraph()
      self.G2 = nx.MultiDiGraph()
      self.G3 = nx.MultiDiGraph()
      self.G4 = nx.MultiDiGraph()
      attr_dict1 = {"id": "edge1", "minFlow": 0, "maxFlow": 10}
      attr_dict2 = {"id": "edge2", "minFlow": -3, "maxFlow": 7}
      attr_dict3 = {"id": "edge3", "minFlow": 13, "maxFlow": 117}
      attr_dict4 = {"id": "edge4", "minFlow": 13, "maxFlow": 117}
      attr_dict5 = {"id": "edge5", "minFlow": 8, "maxFlow": 12}
      attr_dict6 = {"id": "edge6", "minFlow": 8, "maxFlow": 12}
      for attr_dict in [
          attr_dict1,
          attr_dict2,
          attr_dict3,
          attr_dict4,
          attr_dict5,
          attr_dict6,
      ]:
          self.G1.add_edge(1, 2, **attr_dict)
      for attr_dict in [
          attr_dict5,
          attr_dict3,
          attr_dict6,
          attr_dict1,
          attr_dict4,
          attr_dict2,
      ]:
          self.G2.add_edge(2, 3, **attr_dict)
      for attr_dict in [attr_dict3, attr_dict5]:
          self.G3.add_edge(3, 4, **attr_dict)
      for attr_dict in [attr_dict6, attr_dict4]:
          self.G4.add_edge(4, 5, **attr_dict)
  
imports: from operator import eq
  import networkx
  from networkx.algorithms import isomorphism
label_desc: Use image node_id 1 for calling the TestGenericMultiEdgeMatch obj's underlying member method code with example usage: obj.setup_method() without return types