code: def test_worker_count():
      with patch(
          "ray._private.accelerators.tpu.TPUAcceleratorManager."
          "get_num_workers_in_current_tpu_pod",
          return_value=4,
      ):
          worker_count = (
              ray.util.accelerators.tpu.get_current_pod_worker_count()
          )
      assert worker_count == 4
  
imports: import os
  import sys
  import mock
  import pytest
  import requests
  from unittest.mock import patch
  import ray
  from ray._private.accelerators import TPUAcceleratorManager
  from ray._private.accelerators import tpu
label_desc: Use image node_id 14 for calling a global function with example usage: test_worker_count() without return types