change database conf for test env to be able to do automatic tests with docker

config/databases.yml

@@ -8,7 +8,7 @@ test:
   propel:
     class:          sfPropelDatabase
     param:
-      dsn:          mysql://katao:PASSWORD@HOST/katao
+      dsn:          mysql://katao:katao@db:3306/katao
 
 prod:
   propel: