code: def test_option_manager_including_parent_options():
      """Verify parent options are included in the parsed options."""
      # GIVEN
      parent_parser = argparse.ArgumentParser(add_help=False)
      parent_parser.add_argument("--parent")
  
      # WHEN
      optmanager = manager.OptionManager(
          version=TEST_VERSION,
          plugin_versions="",
          parents=[parent_parser],
          formatter_names=[],
      )
      options = optmanager.parse_args(["--parent", "foo"])
  
      # THEN
      assert options.parent == "foo"
  
imports: from __future__ import annotations
  import argparse
  import os
  import pytest
  from flake8.main.options import JobsArgument
  from flake8.options import manager
label_desc: Use image node_id 3 for calling a global function with example usage: test_option_manager_including_parent_options() without return types