code: def test_missing_gcloud_auth_credentials(fake_process):
      """Check that if the user has logged in with `gcloud auth login`,
      `auth_access_token` returns the correct token.
  
      """
      register_auth(fake_process, callback=fail_process)
      assert a.gcloud_auth_credentials() is None
  
file_path: caliban/tests/caliban/util/test_auth.py
imports: from subprocess import CalledProcessError
  from google.oauth2.credentials import Credentials
  import caliban.util.auth
label_desc: Use image node_id 6 for calling a global function with example usage: test_missing_gcloud_auth_credentials(fake_process) without return types