code: def test_str_repr(self):
      SubGraph = nx.subgraph_view
      for Graph in self.Graphs:
          G = nx.path_graph(4, Graph)
          SG = G.subgraph([2, 3])
          RG = SubGraph(G, filter_node=nx.filters.hide_nodes([0, 1]))
          str(SG.adj)
          str(RG.adj)
          repr(SG.adj)
          repr(RG.adj)
          str(SG.adj[2])
          str(RG.adj[2])
          repr(SG.adj[2])
          repr(RG.adj[2])
  
imports: import pickle
  import pytest
  import networkx
label_desc: Use image node_id 3 for calling the TestFilteredGraphs obj's underlying member method code with example usage: obj.test_str_repr() without return types