code: def test_output(user, mock_run, relay_server, backend_interface):
      with relay_server() as relay:
          run = mock_run(
              use_magic_mock=True,
              settings={"console": "auto"},
          )
          with backend_interface(run) as interface:
              for _ in range(10):
                  interface.publish_output(
                      "stdout", "\rSome recurring line"
                  )
              interface.publish_output("stdout", "\rFinal line baby\n")
  
      assert "Final line baby" in relay.context.output[0][0]
  
imports: import json
  import os
  import shutil
  import threading
  import time
  import unittest.mock
  import pytest
  import wandb
  from wandb.errors import CommError
  from wandb.proto import wandb_internal_pb2
  from wandb.sdk.interface.interface import InterfaceBase
  from wandb.sdk.lib import filesystem
label_desc: Use image node_id 24 for calling a global function with example usage: test_output(user, mock_run, relay_server, backend_interface) without return types