code: def test_line_write_markup(self, tw) -> None:
      tw.hasmarkup = True
      tw.line("x", bold=True)
      tw.write("x\n", red=True)
      lines = tw.getlines()
      if sys.platform != "win32":
          assert len(lines[0]) >= 2, lines
          assert len(lines[1]) >= 2, lines
  
imports: import io
  import os
  import re
  import shutil
  import sys
  from pathlib import Path
  from typing import Generator
  from typing import Optional
  from unittest import mock
  import pytest
  from _pytest._io import terminalwriter
  from _pytest.monkeypatch import MonkeyPatch
label_desc: Use image node_id 9 for calling the TestTerminalWriter obj's underlying member method code with example usage: obj.test_line_write_markup(tw) without return types