[symfony] Fix bundle tests. Require enqueue/fs package.

Author: makasim

composer.json

@@ -20,6 +20,7 @@
         "enqueue/stomp": "^0.2@dev",
         "enqueue/amqp-ext": "^0.2@dev",
         "enqueue/job-queue": "^0.2@dev",
+        "enqueue/fs": "^0.2",
         "enqueue/test": "^0.2@dev",
         "doctrine/doctrine-bundle": "~1.2",
         "symfony/monolog-bundle": "^2.8|^3",