ensure PhpParser library autoload in tests

tests/bootstrap.php

@@ -62,6 +62,7 @@ $_SERVER['HTTP_HOST'] = 'localhost';
 setupOpac();
 
 ZendAfi_Controller_Action_Helper_RenderIcal::ensureAutoload();
+require_once __DIR__ . '/../library/PhpParser/lib/bootstrap.php';
 
 (new Storm_Cache())->getCache()->setOption('caching', true);