View file system/test/CTestCase.php

<?php
/**
 * This file contains the CTestCase class.
 *
 * @author Qiang Xue <[email protected]>
 * @link http://www.yiiframework.com/
 * @copyright Copyright &copy; 2008-2011 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

require_once('PHPUnit/Runner/Version.php');
require_once('PHPUnit/Util/Filesystem.php'); // workaround for PHPUnit <= 3.6.11

spl_autoload_unregister(array('YiiBase','autoload'));
require_once('PHPUnit/Autoload.php');
spl_autoload_register(array('YiiBase','autoload')); // put yii's autoloader at the end

if (in_array('phpunit_autoload', spl_autoload_functions())) { // PHPUnit >= 3.7 'phpunit_alutoload' was obsoleted
    spl_autoload_unregister('phpunit_autoload');
    Yii::registerAutoloader('phpunit_autoload');
}

/**
 * CTestCase is the base class for all test case classes.
 *
 * @author Qiang Xue <[email protected]>
 * @package system.test
 * @since 1.1
 */
abstract class CTestCase extends PHPUnit_Framework_TestCase
{
}