code: def test_execute_function(backend):
      with backend(5) as executor:
          future = executor.submit(function, 1, 2, c=3)
          assert executor.wait([future]) == [7]
  
      # Executor was closed at exit
      with pytest.raises(ExecutorClosed):
          executor.submit(function, 1, 2, c=3)
  
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 11 for calling a global function with example usage: test_execute_function(backend) without return types