code: def _init_test_repo():
      repo = Repo.default_repo(init=True)
      # some unittests check sequence tracking in a separate thread
      # need to make sure task_queue is there
      os.environ[AIM_ENABLE_TRACKING_THREAD] = "ON"
      Repo.tracking_queue = _get_tracking_queue()
      del os.environ[AIM_ENABLE_TRACKING_THREAD]
  
file_path: aim/tests/conftest.py
imports: import os
  import shutil
  from aim.sdk.repo import Repo, _get_tracking_queue
  from aim.web.utils import exec_cmd
  from aim.cli.up.utils import build_db_upgrade_command
  from aim.web.configs import AIM_ENV_MODE_KEY
  from aim.sdk.configs import AIM_ENABLE_TRACKING_THREAD, AIM_REPO_NAME
label_desc: Use image node_id 1 for calling a global function with example usage: _init_test_repo() without return types