code: def test_smart_ptr_refcounting():
      from pybind11_tests import test_object1_refcounting
  
      assert test_object1_refcounting()
  
imports: import pytest
  from pybind11_tests import ConstructorStats
label_desc: Use image node_id 2 for calling a global function with example usage: test_smart_ptr_refcounting() without return types