Revert e53980e and 7cdfa10

#180

config/environments/test.rb

@@ -36,6 +36,8 @@ Rails.application.configure do
   # For rails-settings-cached conflict
   config.cache_store = :file_store, 'tmp/cache_test'
 
+  config.time_zone = 'UTC'
+
   config.action_view.raise_on_missing_translations = true
 
   # The available log levels are: :debug, :info, :warn, :error, :fatal, and :unknown,