code: def test_path_operation():
      response = client.get("/headers-and-object/")
      assert response.status_code == 200, response.text
      assert response.json() == {"message": "Hello World"}
      assert response.headers["X-Cat-Dog"] == "alone in the world"
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_path_operation() without return types