code: def test_set_current_process_visible_accelerator_ids(shutdown_only):
      Accelerator.set_current_process_visible_accelerator_ids(["0"])
      assert os.environ["ASCEND_RT_VISIBLE_DEVICES"] == "0"
  
      Accelerator.set_current_process_visible_accelerator_ids(
          ["0", "1"]
      )
      assert os.environ["ASCEND_RT_VISIBLE_DEVICES"] == "0,1"
  
      Accelerator.set_current_process_visible_accelerator_ids(
          ["0", "1", "2"]
      )
      assert os.environ["ASCEND_RT_VISIBLE_DEVICES"] == "0,1,2"
  
file_path: ray/python/ray/tests/accelerators/test_npu.py
imports: import os
  import sys
  import pytest
  from unittest.mock import patch
  import ray
  from ray._private.accelerators import NPUAcceleratorManager
label_desc: Use image node_id 8 for calling a global function with example usage: test_set_current_process_visible_accelerator_ids(shutdown_only) without return types