First take on unit tests.

Creates an event and compares the the input data with the database.

Ticket #28

app/config/config_test.yml

@@ -14,3 +14,13 @@ web_profiler:
 
 swiftmailer:
     disable_delivery: true
+
+liip_functional_test: ~
+
+doctrine:
+    dbal:
+        default_connection: default
+        connections:
+            default:
+                driver:   pdo_sqlite
+                path:     %kernel.cache_dir%/test.db