fixed compilation/runtime errors;

added test fixture;

Util/OutputBuffer.php

@@ -1,33 +0,0 @@
-<?php
-/*
- * This file is part of the WebServiceBundle.
- *
- * (c) Christian Kerl <christian-kerl@web.de>
- *
- * This source file is subject to the MIT license that is bundled
- * with this source code in the file LICENSE.
- */
-
-namespace Bundle\WebServiceBundle\Util;
-
-/**
- * OutputBuffer provides utility methods to work with PHP's output buffer.
- *
- * @author Christian Kerl <christian-kerl@web.de>
- */
-class OutputBuffer
-{
-    /**
-     * Gets the output created by the given callable.
-     *
-     * @param callable $callback A callable to execute
-     *
-     * @return string The output
-     */
-    static public function get($callback)
-    {
-        ob_start();
-        $callback();
-        return ob_get_clean();
-    }
-}