code: def test_set_current_process_visible_accelerator_ids():
      Accelerator.set_current_process_visible_accelerator_ids(["0"])
      assert os.environ["ONEAPI_DEVICE_SELECTOR"] == "level_zero:0"
  
      Accelerator.set_current_process_visible_accelerator_ids(
          ["0", "1"]
      )
      assert os.environ["ONEAPI_DEVICE_SELECTOR"] == "level_zero:0,1"
  
      Accelerator.set_current_process_visible_accelerator_ids(
          ["0", "1", "2"]
      )
      assert os.environ["ONEAPI_DEVICE_SELECTOR"] == "level_zero:0,1,2"
  
      del os.environ["ONEAPI_DEVICE_SELECTOR"]
  
file_path: ray/python/ray/tests/accelerators/test_intel_gpu.py
imports: import os
  import sys
  import pytest
  from unittest.mock import patch
  import ray
  from ray._private.accelerators import IntelGPUAcceleratorManager
  from ray._private.accelerators import get_accelerator_manager_for_resource
  from ray.util.accelerators import INTEL_MAX_1550, INTEL_MAX_1100
label_desc: Use image node_id 7 for calling a global function with example usage: test_set_current_process_visible_accelerator_ids() without return types