code: def test_works_with_datestring_ending_with_zed(self):
      datetime = format_datetime(self.default_time_2)
      datetime2 = timezone.parse(self.default_time_2)
      assert datetime == datetime2
      assert datetime.isoformat() == self.default_time
  
imports: from __future__ import annotations
  from unittest import mock
  import pendulum
  import pytest
  from airflow.api_connexion.exceptions import BadRequest
  from airflow.api_connexion.parameters import check_limit, format_datetime, format_parameters, validate_istimezone
  from airflow.utils import timezone
  from tests.test_utils.config import conf_vars
label_desc: Use image node_id 3 for calling the TestDateTimeParser obj's underlying member method code with example usage: obj.test_works_with_datestring_ending_with_zed() without return types