code: def test_env_to_config():
      assert env_to_config(ENV) == CONFIG
  
file_path: dvc/tests/unit/utils/test_studio.py
imports: from urllib.parse import urljoin
  import pytest
  from requests import Response
  from dvc.env import DVC_STUDIO_OFFLINE, DVC_STUDIO_REPO_URL, DVC_STUDIO_TOKEN, DVC_STUDIO_URL
  from dvc.utils.studio import STUDIO_URL, config_to_env, env_to_config, notify_refs
label_desc: Use image node_id 3 for calling a global function with example usage: test_env_to_config() without return types