lib/rails/generators/mongo_mapper/config/templates/mongo.yml in mongo_mapper-0.12.0 vs lib/rails/generators/mongo_mapper/config/templates/mongo.yml in mongo_mapper-0.13.0.beta1

@@ -1,15 +1,21 @@
 defaults: &defaults
   host: 127.0.0.1
   port: 27017
+  options:
+    w: 1
+    pool_size: 1
+    slave_ok: false
+    ssl: false
 
 development:
   <<: *defaults
   database: <%= database_name || app_name %>_development
 
 test:
   <<: *defaults
   database: <%= database_name || app_name %>_test
+  w: 0
 
 # set these environment variables on your prod server
 production:
   <<: *defaults
   database: <%= database_name || app_name %>