Update Tests/Twig/Extension/EchoExtensionTest.php
Update Tests/Twig/Extension/EchoExtensionTest.php

added test
Restless-ET/AdmingeneratorGeneratorBundle,symfony2admingenerator/AdmingeneratorGeneratorBundle,symfony2admingenerator/AdmingeneratorGeneratorBundle,Restless-ET/AdmingeneratorGeneratorBundle,Restless-ET/AdmingeneratorGeneratorBundle