code: def test_pipe_duplex1(self):
      conn1, conn2 = Pipe(duplex=True)
  
      conn1.send(b"hello")
      data = conn2.recv()
      assert data == 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 5 for calling the TestQueue obj's underlying member method code with example usage: obj.test_pipe_duplex1() without return types