more testing and code cleanup and enable coverage reports on circle

config/environments/test.rb

@@ -37,8 +37,6 @@ Rails.application.configure do
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
 
-  config.mail_notifications = true
-
   # Raises error for missing translations
   # config.action_view.raise_on_missing_translations = true
 end