code: def test_unicode(self, tmp_path):
      G = nx.Graph()
      name1 = chr(2344) + chr(123) + chr(6543)
      name2 = chr(5543) + chr(1543) + chr(324)
      G.add_edge(name1, "Radiohead", **{name2: 3})
  
      fname = tmp_path / "adjlist.txt"
      nx.write_multiline_adjlist(G, fname)
      H = nx.read_multiline_adjlist(fname)
      assert graphs_equal(G, H)
  
imports: import io
  import pytest
  import networkx
  from networkx.utils import edges_equal, graphs_equal, nodes_equal
label_desc: Use image node_id 3 for calling the TestAdjlist obj's underlying member method code with example usage: obj.test_unicode(tmp_path) without return types