code: def test_execute_async(backend):
      with backend(5) as executor:
          futures = [
              executor.submit(function, 1, 2, i) for i in range(10)
          ]
  
          total_task = len(futures)
          results = executor.async_get(futures, timeout=1)
  
          assert len(results) > 0, "We got some results"
          assert len(futures) == total_task - len(
              results
          ), "Finished futures got removed"
  
imports: import os
  import time
  import pytest
  from orion.executor.base import AsyncException, ExecutorClosed, executor_factory
  from orion.executor.dask_backend import HAS_DASK, Dask
  from orion.executor.multiprocess_backend import PoolExecutor
  from orion.executor.ray_backend import HAS_RAY, Ray
  from orion.executor.single_backend import SingleExecutor
label_desc: Use image node_id 15 for calling a global function with example usage: test_execute_async(backend) without return types