Symfony 2.5 "You have requested a non-existent service "siteTest.b"
you might also need to add the code below inside
imports:- { resource: parameters.yml }- { resource: security.yml }- { resource: '@TestBundle/Resources/config/services.yml' }
alternatively you can use the cookbook configurations http://symfony.com/doc/current/cookbook/bundles/extension.html#cookbook-bundles-extension-config-class