code: def test_visible_ascend_npu_ids(monkeypatch, shutdown_only):
      with patch.dict(sys.modules):
          sys.modules["acl"] = __import__("mock_acl")
  
          monkeypatch.setenv("ASCEND_RT_VISIBLE_DEVICES", "0,1,2")
          with patch.object(
              Accelerator,
              "get_current_node_num_accelerators",
              return_value=4,
          ):
              ray.init()
              manager = ray._private.accelerators.get_accelerator_manager_for_resource(
                  "NPU"
              )
              assert manager.get_current_node_num_accelerators() == 4
              assert manager.__name__ == "NPUAcceleratorManager"
              assert ray.available_resources()["NPU"] == 3
  
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 5 for calling a global function with example usage: test_visible_ascend_npu_ids(monkeypatch, shutdown_only) without return types