fix tests (modification de règle de test pour sécurité)

src/Muzich/CoreBundle/Resources/config/security.yml

         - { path: ^/(?:fr|en)/group, role: IS_AUTHENTICATED_ANONYMOUSLY }
         - { path: ^/(?:fr|en)/search, role: IS_AUTHENTICATED_ANONYMOUSLY }
         - { path: ^/(?:fr|en)/playlist, role: IS_AUTHENTICATED_ANONYMOUSLY }
-                                        
+        - { path: ^/(?:fr|en)/my-groups/add, role: IS_AUTHENTICATED_ANONYMOUSLY }                  
+          
         - { path: ^/, roles: ROLE_USER }
         
 #        # Liste des pages accessibles à tous les utilisateurs (ne pas toucher)

src/Muzich/CoreBundle/Tests/Controller/AnonymousTest.php

 use Muzich\CoreBundle\Tests\lib\Security\Context as SecurityContextTest;
 use Muzich\CoreBundle\Security\Context as SecurityContext;
 
-class NoPassTest extends FunctionalTest
+class AnonymousTest extends FunctionalTest
 {
   
   protected $security_context_test;