code: def test_respects_batch_time(self):
      clock = MockClock()
      q = MockRequestQueue(
          clock=clock,
          schedule=[
              (t, simple_request_prepare(f"req-{t}"))
              for t in [5, 15, 25, 35]
          ],
      )
  
      _, batch = gather_batch(
          q,
          batch_time=33,
          inter_event_time=12,
          max_batch_size=100,
          clock=clock,
      )
  
      assert q.get.call_args_list == [
          call(),  # finishes at t=5; 28s left in batch
          call(timeout=12),  # finishes at t=15; 18s left in batch
          call(timeout=12),  # finishes at t=25; 8s left in batch
          call(timeout=8),
      ]
      assert len(batch) == 3
  
imports: import asyncio
  import concurrent.futures
  import dataclasses
  import queue
  import threading
  from typing import TYPE_CHECKING, Iterable, Mapping, Tuple
  from unittest.mock import Mock, call
  import pytest
  from wandb.filesync.step_prepare import Request, RequestFinish, RequestPrepare, ResponsePrepare, StepPrepare, gather_batch
label_desc: Use image node_id 4 for calling the TestGatherBatch obj's underlying member method code with example usage: obj.test_respects_batch_time() without return types