code: def test_empty_output():
      output_verbose = subprocess.run(
          ["python", verbose_file], stdout=subprocess.PIPE
      )
      output_non_verbose = subprocess.run(
          ["python", non_verbose_file], stdout=subprocess.PIPE
      )
  
      verbose_str = output_verbose.stdout.decode()
      non_verbose_str = output_non_verbose.stdout.decode()
  
      print("\n verbose_str \n", verbose_str, "\n")
      print("\n non_verbose_str \n", non_verbose_str, "\n")
  
      assert verbose_str
      assert not non_verbose_str
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_empty_output() without return types