AllTests::suite PHP Method

    public static function suite()
    {
        $suite = new PHPUnit_Framework_TestSuite('GLPI');
        $suite->addTest(System_AllTests::suite());
        $suite->addTest(Install_AllTests::suite());
        //      $suite->addTest(Framework_AllTests::suite());
        return $suite;
    }

<?php

require_once 'PHPUnit/Framework.php';
require_once 'PHPUnit/TextUI/TestRunner.php';
require_once 'init.php';
require_once 'test/alltests.class.php';
$result = PHPUnit_TextUI_TestRunner::run(AllTests::suite());