code: def test_parse_tzstr(tzoffset):
      dt = datetime(2017, 11, 27, 6, 14, 30, 123456)
      date_fmt = "%Y-%m-%d"
      time_fmt = "%H:%M:%S.%f"
  
      _isoparse_date_and_time(dt, date_fmt, time_fmt, tzoffset)
  
imports: from __future__ import unicode_literals
  from datetime import datetime, timedelta, date, time
  import itertools
  from dateutil import tz
  from dateutil.tz import UTC
  from dateutil.parser import isoparser, isoparse
  import pytest
  import six
label_desc: Use image node_id 22 for calling a global function with example usage: test_parse_tzstr(tzoffset) without return types