code: def get_test_setup():
      mailbox = Mailbox()
      handle = mailbox.get_handle()
      run_result = pb.RunUpdateResult()
      run_result.run.run_id = "this_is_me"
      result = pb.Result(run_result=run_result)
      return mailbox, handle, result
  
imports: import sys
  import threading
  import time
  from contextlib import contextmanager
  from unittest import TestCase
  from unittest.mock import Mock, patch
  from parameterized import parameterized
  from wandb.proto import wandb_internal_pb2
  from wandb.sdk.lib.mailbox import Mailbox, MailboxProbe, MailboxProgress
label_desc: Use image node_id 1 for calling a global function with example usage: get_test_setup() and returns: mailbox,  handle,  result