docstr: This is to test a race condition in handling data in pending table
docstr_tok: ["This","is","to","test","a","race","condition","in","handling","data","in","pending","table"]
code: def test_many_jobs(self):
      """
      This is to test a race condition in handling data in pending table
      """
      workers = 5
      pool = fiber.Pool(workers)
      tasks = 5000
      duration = 0.001
  
      # explicitly start workers instead of lazy start
      pool.start_workers()
  
      pool.wait_until_workers_up()
  
      res = [None] * workers
      for i in range(tasks // workers):
          for j in range(workers):
              handle = pool.apply_async(sleep_worker, (duration,))
              res[j] = handle
          for j in range(workers):
              res[j].get()
  
      pool.terminate()
      pool.join()
  
imports: import os
  import time
  from fiber import Pool, SimpleQueue
  import fiber
  import pytest
  import docker
  import threading
  import random
  import fiber.config
label_desc: Use image node_id 11 for calling the TestPool obj's underlying member method code with example usage: obj.test_many_jobs() without return types