dev#33757_gestion_des_preferences_de_l_utilisateur : fix test

library/ZendAfi/View/Helper/Bookmarks.php

@@ -27,7 +27,7 @@ class ZendAfi_View_Helper_Bookmarks extends ZendAfi_View_Helper_BaseHelper {
     if(!$preferences['bookmarks_enabled'])
       return '';
 
-    $this->_bookmarks = $bookmarks;
+    $this->_bookmarks = $bookmarks ? $bookmarks : [];
     $this->_criteres = $criteres;
 
     return $this->_tag('div', $this->getHtmlContent() , ['class' => 'bookmarks_outer facette_outer']);