code: def test_timeout(nanny):
      worker = subprocess.run(
          [
              sys.executable,
              "-m",
              "distributed.cli.dask_worker",
              "192.168.1.100:7777",
              nanny,
              "--death-timeout=1",
          ],
          text=True,
          encoding="utf8",
          capture_output=True,
      )
  
      assert "timed out starting worker" in worker.stderr.lower()
      assert "end worker" in worker.stderr.lower()
      assert worker.returncode == 1
  
imports: from __future__ import annotations
  import asyncio
  import os
  import signal
  import subprocess
  import sys
  from multiprocessing import cpu_count
  from time import sleep
  import pytest
  from click.testing import CliRunner
  from dask.utils import tmpfile
  from distributed import Client
  from distributed.cli.dask_worker import _apportion_ports, main
  from distributed.compatibility import LINUX, WINDOWS
  from distributed.deploy.utils import nprocesses_nthreads
  from distributed.metrics import time
  from distributed.utils import open_port
  from distributed.utils_test import gen_cluster, inc, popen, requires_ipv6, wait_for_log_line
label_desc: Use image node_id 7 for calling a global function with example usage: test_timeout(nanny) without return types