Légère modif pour testabilité.

src/UnicaenAuth/Authentication/Storage/LdapDb.php

@@ -46,13 +46,10 @@ class LdapDb implements Storage\StorageInterface, ServiceManagerAwareInterface
      */
     public function isEmpty()
     {
-        if (!$this->getLdapStorage()->isEmpty()) {
-            return false;
+        if ($this->getLdapStorage()->isEmpty() && $this->getDbStorage()->isEmpty()) {
+            return true;
         }
-        if (!$this->getDbStorage()->isEmpty()) {
-            return false;
-        }
-        return true;
+        return false;
     }
 
     /**