replacing liip with DoctrineCacheBundle

Tests/Functional/AppKernel.php

@@ -22,7 +22,7 @@ class AppKernel extends Kernel
     {
         return array(
             new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
-            new Liip\DoctrineCacheBundle\LiipDoctrineCacheBundle(),
+            new Doctrine\Bundle\DoctrineCacheBundle\DoctrineCacheBundle(),
             new Mmoreram\GearmanBundle\GearmanBundle(),
         );
     }