code: def test_asterisk(self):
      safe_MessageBeep(winsound.MB_ICONASTERISK)
  
imports: import functools
  import pathlib
  import time
  import unittest
  from test import support
  from test.support import import_helper
label_desc: Use image node_id 4 for calling the MessageBeepTest obj's underlying member method code with example usage: obj.test_asterisk() without return types