fix #1167

app/controllers/login_controller.rb

@@ -84,6 +84,12 @@ class LoginController < ApplicationController
   def expire_session
     # this is a hack to enable cucumber to expire a session by calling this
     # method. The method will be unavailable for production environment
+    
+    @user.forget_me if logged_in?
+    cookies.delete :auth_token
+    session['user_id'] = nil
+    reset_session
+    
     unless Rails.env.production?
       session['expiry_time'] = Time.now
       respond_to do |format|