code: def test_isoweek_day(isocal, dt_expected):
      # TODO: Figure out how to parametrize this on formats, too
      for fmt in ("{:04d}-W{:02d}-{:d}", "{:04d}W{:02d}{:d}"):
          dtstr = fmt.format(*isocal)
          assert isoparse(dtstr) == dt_expected
  
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 15 for calling a global function with example usage: test_isoweek_day(isocal, dt_expected) without return types