def METHOD_NAME(self, mock_admin_credential):
    """Verify no rate limiter is used if the configuration is missing."""
    global_configs = {
        'groups_service_account_key_file': 'abc.key',
        'domain_super_admin_email': 'admin@foo.testing'}
    ad_api_client = admin.AdminDirectoryClient(global_configs)
    self.assertEqual(None, ad_api_client.repository._rate_limiter)