code: def test_5(self):
      identified_estimand = identify_effect_id(
          build_graph_from_str("digraph{T->Y;X1->T;X1->Y;X2->T;}"),
          action_nodes=["T"],
          outcome_nodes=["Y"],
      )
  
      # Compare with ground truth
      set_a = set(
          identified_estimand._product[0]
          ._product[0]
          ._product[0]["outcome_vars"]
          ._set
      )
      set_b = set(
          identified_estimand._product[0]
          ._product[0]
          ._product[0]["condition_vars"]
          ._set
      )
      set_c = set(
          identified_estimand._product[0]
          ._product[1]
          ._product[0]["outcome_vars"]
          ._set
      )
      set_d = set(
          identified_estimand._product[0]
          ._product[1]
          ._product[0]["condition_vars"]
          ._set
      )
      assert identified_estimand._product[0]._sum == ["X1"]
      assert len(set_a.difference({"Y"})) == 0
      assert len(set_b.difference({"X1", "X2", "T"})) == 0
      assert len(set_c.difference({"X1"})) == 0
      assert len(set_d) == 0
  
file_path: dowhy/tests/causal_identifiers/test_id_identifier.py
imports: import pytest
  from dowhy import identify_effect_id
  from dowhy.graph import build_graph_from_str
label_desc: Use image node_id 5 for calling the TestIDIdentifier obj's underlying member method code with example usage: obj.test_5() without return types