confi-8.x-2.0-rc1/tests/modules/config_import_test/config_import_test.module

<?php

/**
 * @file
 * Config Import (Test).
 */

/**
 * Implements hook_config_import_configs_alter().
 */
function config_import_test_config_import_configs_alter(array &$configs) {
  $configs[] = 'core.extension';
}