code: def test_is_alive(self):
      p = Process(target=func_add, args=(42, 89), name="test_is_alive")
      assert p.is_alive() is False
      p.start()
      assert p.is_alive() is True
      p.join()
      assert p.is_alive() is False
  
imports: import pytest
  import time
  import math
  import select
  import fiber
  import docker
  import requests
  from fiber import Process
  from fiber.docker_backend import Backend
  import fiber.config
label_desc: Use image node_id 8 for calling the TestBasic obj's underlying member method code with example usage: obj.test_is_alive() without return types