code: def test_terminate_node():
      vnp = mock_vsphere_node_provider()
      vnp.tag_cache_lock = threading.Lock()
      vnp.tag_cache = {"vm1": ["tag1", "tag2"], "vm2": ["tag1", "tag2"]}
      vnp.get_vsphere_sdk_provider().delete_vm_by_id = MagicMock(
          return_value=None
      )
      vnp.terminate_node("vm2")
      assert len(vnp.tag_cache) == 1
  
imports: import copy
  import time
  import pytest
  import threading
  from unittest.mock import MagicMock, patch
  from ray.autoscaler._private.vsphere.node_provider import VsphereNodeProvider
  from ray.autoscaler._private.vsphere.config import update_vsphere_configs, validate_frozen_vm_configs
  from ray.autoscaler._private.vsphere.gpu_utils import split_vm_2_gpu_cards_map, GPUCard, set_gpu_placeholder
  from ray.autoscaler._private.vsphere.utils import singleton_client
label_desc: Use image node_id 6 for calling a global function with example usage: test_terminate_node() without return types