code: def test_import_zone_info_star():
      from dateutil.zoneinfo import gettz
      from dateutil.zoneinfo import gettz_db_metadata
      from dateutil.zoneinfo import rebuild
  
      zi_all = (gettz, gettz_db_metadata, rebuild)
  
      for var in zi_all:
          assert var is not None
  
imports: import sys
  import pytest
label_desc: Use image node_id 23 for calling a global function with example usage: test_import_zone_info_star() without return types