wighair/tests/codeception/bin/_bootstrap.php

<?php
/**
 * Yii console bootstrap file.
 *
 * @link http://www.yiiframework.com/
 *
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */
defined('YII_DEBUG') or define('YII_DEBUG', true);
defined('YII_ENV') or define('YII_ENV', 'test');

defined('YII_APP_BASE_PATH') or define('YII_APP_BASE_PATH', dirname(dirname(dirname(__DIR__))));

require_once YII_APP_BASE_PATH.'/vendor/autoload.php';
require_once YII_APP_BASE_PATH.'/vendor/yiisoft/yii2/Yii.php';
require_once YII_APP_BASE_PATH.'/common/config/bootstrap.php';

Yii::setAlias('@tests', dirname(dirname(__DIR__)));