code: def test_sharing_pipe_with_fiber_and_multiprocessing(self):
      reader, writer = Pipe()
  
      p = fiber.Process(target=pipe_mp_worker, args=(writer,))
      p.start()
      msg = reader.recv()
      p.join()
      assert msg == b"hello"
  
imports: import fiber
  import pickle
  import time
  import pytest
  import docker
  import collections
  import multiprocessing
  from fiber.queues import Pipe, SimpleQueue
  from fiber.socket import Socket
label_desc: Use image node_id 8 for calling the TestQueue obj's underlying member method code with example usage: obj.test_sharing_pipe_with_fiber_and_multiprocessing() without return types