OIDC test - test jumbojett oidc round two fix config path 2

web/index.php

@@ -1,6 +1,6 @@
 <?php
 session_start();
-$config = require __DIR__ . 'config.php';
+$config = require __DIR__ . '/config.php';
 
 if (!isset($_SESSION['authenticated'])) {
     // User not logged in – show a login button