Elgg plugin simpletest suite

<?php
/**
 * Runs unit tests.
 *
 * @package Elgg
 * @subpackage Test
 */

$thisDirectory = dirname(__FILE__) . '/';
require_once($thisDirectory . '../../../engine/start.php');

$vendor_path = "$CONFIG->path/vendors/simpletest";
$test_path = "$CONFIG->path/engine/tests";

require_once("$vendor_path/unit_tester.php");
require_once("$vendor_path/mock_objects.php");
require_once("$vendor_path/reporter.php");
require_once("$vendor_path/browser.php");
require_once("$test_path/elgg_unit_test.php");

// turn off system log
elgg_unregister_event_handler('all', 'all', 'system_log_listener');
elgg_unregister_event_handler('log', 'systemlog', 'system_log_default_logger');

// Disable maximum execution time.
// Tests take a while...
set_time_limit(0);

// EDIT THE FOLLOWING
$suite = new TestSuite('YOUR TEST SUITE NAME HERE');
$suite->addFile('/path/to/test/class.php');
$suite->addFile('/path/to/test/class2.php');
$suite->addFile('/path/to/test/class3.php');

// Only run tests in debug mode.
if (!isset($CONFIG->debug))
{
    exit ("The site must be in debug mode to run unit tests.\n");
}

if (TextReporter::inCli()) {

    if (empty($argv[1]))
    {
        exit ("You must specify an output file for the XML report.\n");
    }

    elgg_set_ignore_access(TRUE);

    if ($argv[1] == 'OUT')
    {
        $response = $suite->Run(new TextReporter());
    }
    else
    {

        ini_set('implicit_flush', FALSE);
        ob_start();

        require_once("$thisDirectory/xmltime.php");
        $response = $suite->Run(new XmlTimeReporter());

        file_put_contents($argv[1], ob_get_contents());

        ob_end_clean();
        ini_set('implicit_flush', TRUE);
    }

    // In CLI error codes are returned: 0 is success
    exit ($response ? 0 : 1 );
} else {

    // Admin access only
    admin_gatekeeper();

    $suite->Run(new HtmlReporter());

    exit;
}