code: def test_apply(pool):
      def f(arg1, arg2, kwarg1=None, kwarg2=None):
          assert arg1 == 1
          assert arg2 == 2
          assert kwarg1 is None
          assert kwarg2 == 3
          return 1
  
      assert pool.apply(f, (1, 2), {"kwarg2": 3}) == 1
      with pytest.raises(AssertionError):
          pool.apply(
              f,
              (
                  2,
                  2,
              ),
              {"kwarg2": 3},
          )
      with pytest.raises(Exception):
          pool.apply(f, (1,))
      with pytest.raises(Exception):
          pool.apply(f, (1, 2), {"kwarg1": 3})
  
imports: import os
  import sys
  import platform
  import pytest
  import tempfile
  import time
  import random
  from collections import defaultdict
  import queue
  import math
  import ray
  from ray._private.test_utils import SignalActor
  from ray.util.multiprocessing import Pool, TimeoutError, JoinableQueue
  from ray.util.joblib import register_ray
  from joblib import parallel_backend, Parallel, delayed
label_desc: Use image node_id 12 for calling a global function with example usage: test_apply(pool) and returns: int