Isolated tests

Use https://github.com/dmaicher/doctrine-test-bundle to have test isolation.

app/AppKernel.php

@@ -48,6 +48,10 @@ class AppKernel extends Kernel
             $bundles[] = new Sensio\Bundle\DistributionBundle\SensioDistributionBundle();
             $bundles[] = new Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle();
             $bundles[] = new Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle();
+
+            if ('test' === $this->getEnvironment()) {
+                $bundles[] = new DAMA\DoctrineTestBundle\DAMADoctrineTestBundle();
+            }
         }
 
         return $bundles;