code: def test_set_current_process_visible_accelerator_ids():
      HPUAcceleratorManager.set_current_process_visible_accelerator_ids(
          ["0"]
      )
      assert os.environ[hpu.HABANA_VISIBLE_DEVICES_ENV_VAR] == "0"
  
      HPUAcceleratorManager.set_current_process_visible_accelerator_ids(
          ["0", "1"]
      )
      assert os.environ[hpu.HABANA_VISIBLE_DEVICES_ENV_VAR] == "0,1"
  
      HPUAcceleratorManager.set_current_process_visible_accelerator_ids(
          ["0", "1", "2"]
      )
      assert os.environ[hpu.HABANA_VISIBLE_DEVICES_ENV_VAR] == "0,1,2"
  
      del os.environ[hpu.HABANA_VISIBLE_DEVICES_ENV_VAR]
  
file_path: ray/python/ray/tests/accelerators/test_hpu.py
imports: import os
  import sys
  import pytest
  from unittest.mock import patch
  import ray
  from ray._private.accelerators import HPUAcceleratorManager
  from ray._private.accelerators import hpu
label_desc: Use image node_id 5 for calling a global function with example usage: test_set_current_process_visible_accelerator_ids() without return types