public function testCache()
{
include_once './Services/AccessControl/classes/class.ilAccessHandler.php';
$handler = new ilAccessHandler();
$handler->setResults(array(1, 2, 3));
$handler->storeCache();
$handler->readCache();
$res = $handler->getResults();
$this->assertEquals(array(1, 2, 3), $res);
}