code: def test_digraph_ignore2(self):
      G = nx.DiGraph()
      nx.add_path(G, range(4))
      x = list(edge_dfs(G, [0], orientation="ignore"))
      x_ = [(0, 1, FORWARD), (1, 2, FORWARD), (2, 3, FORWARD)]
      assert x == x_
  
imports: import pytest
  import networkx
  from networkx.algorithms import edge_dfs
  from networkx.algorithms.traversal.edgedfs import FORWARD, REVERSE
label_desc: Use image node_id 15 for calling the TestEdgeDFS obj's underlying member method code with example usage: obj.test_digraph_ignore2() without return types