code: def test_very_long_cmdline_arg(pytester: Pytester) -> None:
      """
      Regression test for #11394.
  
      Note: we could not manage to actually reproduce the error with this code, we suspect
      GitHub runners are configured to support very long paths, however decided to leave
      the test in place in case this ever regresses in the future.
      """
      pytester.makeconftest(
          """
          import pytest
  
          def pytest_addoption(parser):
              parser.addoption("--long-list", dest="long_list", action="store", default="all", help="List of things")
  
          @pytest.fixture(scope="module")
          def specified_feeds(request):
              list_string = request.config.getoption("--long-list")
              return list_string.split(',')
          """
      )
      pytester.makepyfile(
          """
          def test_foo(specified_feeds):
              assert len(specified_feeds) == 100_000
          """
      )
      result = pytester.runpytest(
          "--long-list", ",".join(["helloworld"] * 100_000)
      )
      result.stdout.fnmatch_lines("* 1 passed *")
  
imports: import argparse
  import os
  import re
  import sys
  from pathlib import Path
  from typing import Optional
  import pytest
  from _pytest.config import ExitCode
  from _pytest.config import UsageError
  from _pytest.main import resolve_collection_argument
  from _pytest.main import validate_basetemp
  from _pytest.pytester import Pytester
label_desc: Use image node_id 7 for calling a global function with example usage: test_very_long_cmdline_arg(pytester) without return types