code: def test_pr4220_tripped_over_this():
      assert (
          m.Empty0().get_msg()
          == "This is really only meant to exercise successful compilation."
      )
  
imports: import pytest
  import env
  from pybind11_tests import ConstructorStats, UserType
  from pybind11_tests import class_
label_desc: Use image node_id 32 for calling a global function with example usage: test_pr4220_tripped_over_this() without return types