use container from parent

tests/container.php

@@ -1,13 +1,6 @@
 <?php
 
-/*
-This file returns the global DI container for the application. The DI container
-which gets returned must be compatible with the symfony DI container interface.
-If you want load an different configuration depending on the environment you can 
-change the "config.file" parameter.
-*/
-
-$container = new Fusio\Impl\Dependency\Container();
+$container = require_once __DIR__ . '/../container.php';
 $container->setParameter('config.file', __DIR__ . '/configuration.php');
 
 return $container;