code: def app_config_path(tmp_path_factory):
      fn = tmp_path_factory.mktemp(".fiftyone") / "app_config.json"
      with open(fn, "w") as f:
          f.write(json.dumps(_DEFAULT_APP_CONFIG))
      return str(fn)
  
file_path: fiftyone/tests/unittests/plugins/core_tests.py
imports: import os
  import fiftyone
  import pytest
  import json
  import yaml
  from unittest import mock
  import fiftyone.plugins
label_desc: Use image node_id 1 for calling a global function with example usage: app_config_path(tmp_path_factory) and returns: str