move to new architecture for test - improve autoloading

Resources/test/Fixtures/App/app/autoload.php

@@ -0,0 +1,11 @@
+<?php
+
+use Doctrine\Common\Annotations\AnnotationRegistry;
+use Composer\Autoload\ClassLoader;
+
+/** @var ClassLoader $loader */
+$loader = require __DIR__.'/../../../../../vendor/autoload.php';
+
+AnnotationRegistry::registerLoader(array($loader, 'loadClass'));
+
+return $loader;