code: def test_current_process_nested(self):
      q = SimpleQueue()
      p = Process(
          target=get_current_pid, args=(q,), name="test_active_children"
      )
      p.start()
      q.put(p.pid)
      p.join()
      assert p.exitcode == 0
  
file_path: fiber/tests/test_process_misc.py
imports: import pytest
  import time
  import fiber
  from fiber import Process
  from fiber.queues import Pipe, SimpleQueue
  import docker
label_desc: Use image node_id 5 for calling the TestMisc obj's underlying member method code with example usage: obj.test_current_process_nested() without return types