code: def test_read_simple_directed_graphml(self):
      G = self.simple_directed_graph
      H = nx.read_gexf(self.simple_directed_fh)
      assert sorted(G.nodes()) == sorted(H.nodes())
      assert sorted(G.edges()) == sorted(H.edges())
      assert sorted(G.edges(data=True)) == sorted(H.edges(data=True))
      self.simple_directed_fh.seek(0)
  
imports: import io
  import time
  import pytest
  import networkx
label_desc: Use image node_id 2 for calling the TestGEXF obj's underlying member method code with example usage: obj.test_read_simple_directed_graphml() without return types