code: def test_batching_node_provider_many_requests():
      """Simulate 10 autoscaler updates with randomly generated create/terminate
      requests.
      """
      tester = BatchingNodeProviderTester()
      for _ in range(2):
          tester.update_with_random_requests()
      # Final check.
      tester.validate_non_terminated_nodes()
  
imports: from copy import copy
  from uuid import uuid4
  import os
  import random
  import sys
  from typing import Any, Dict
  from collections import defaultdict
  import pytest
  from ray.autoscaler.batching_node_provider import BatchingNodeProvider, NodeData, ScaleRequest
  from ray.autoscaler._private.util import NodeID, NodeType
  from ray.autoscaler.tags import STATUS_UP_TO_DATE, TAG_RAY_USER_NODE_TYPE, TAG_RAY_NODE_KIND, TAG_RAY_NODE_STATUS, NODE_KIND_HEAD, NODE_KIND_WORKER
  from ray.autoscaler._private.constants import DISABLE_LAUNCH_CONFIG_CHECK_KEY, DISABLE_NODE_UPDATERS_KEY, FOREGROUND_NODE_LAUNCH_KEY
label_desc: Use image node_id 2 for calling a global function with example usage: test_batching_node_provider_many_requests() without return types