code: def test_two_languages():
      vd.check_options_languages(
          create_options(
              input_file="a.pdf",
              output_file="b.pdf",
              parser=get_parser(),
              language="fakelang1+fakelang2",
          ),
          ["fakelang1", "fakelang2"],
      )
  
imports: from __future__ import annotations
  import logging
  import os
  from unittest.mock import patch
  import pikepdf
  import pytest
  from ocrmypdf import _validation
  from ocrmypdf._concurrent import NullProgressBar, SerialExecutor
  from ocrmypdf._exec.tesseract import TesseractVersion
  from ocrmypdf._plugin_manager import get_plugin_manager
  from ocrmypdf.api import create_options
  from ocrmypdf.cli import get_parser
  from ocrmypdf.exceptions import BadArgsError, MissingDependencyError
  from ocrmypdf.pdfinfo import PdfInfo
  from .conftest import run_ocrmypdf_api
label_desc: Use image node_id 18 for calling a global function with example usage: test_two_languages() without return types