XRay/tests/bootstrap.php

<?php
const TESTING = true;
require __DIR__ . '/../vendor/autoload.php';

// Load config file if present, otherwise use default
if(file_exists(dirname(__FILE__).'/../config.php')) {
    include dirname(__FILE__).'/../config.php';
} else {
    class Config
    {
        public static $cache = false;
        public static $base = '';
        public static $admins = [];

    }
}