new_contents: # -*- coding: utf-8 -*-
  u"""
  Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
  This file is part of Toolium.
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  """
  
  from toolium_examples.test_cases import SeleniumTestCase
  from toolium_examples.pageobjects.web.login import LoginPageObject
  
  
  class Login(SeleniumTestCase):
      def test_successful_login_logout(self):
          user = {'username': 'tomsmith', 'password': 'SuperSecretPassword!'}
          expected_login_message = "You logged into a secure area!"
          expected_logout_message = "You logged out of the secure area!"
  
          # Open login form
          login_page = LoginPageObject().open()
  
          # Assert the full screen
          self.assertFullScreenshot('login_form')
          # Assert the full screen excluding a web element
          self.assertFullScreenshot('login_form_no_password', exclude_elements=[login_page.password])
          # Assert only a web element
          self.assertScreenshot(login_page.login_button, 'login_submit_button')
  
          # Login and check welcome message
          secure_area = login_page.login(user)
          self.assertEqual(expected_login_message, secure_area.message.get_message())
  
          # Assert the full screen
          self.assertFullScreenshot('login_secure_area')
  
          # Logout and check logout message
          login_page = secure_area.logout()
          self.assertEqual(expected_logout_message, login_page.message.get_message())
  
          # Assert the full screen
          self.assertFullScreenshot('login_logout')
  
subject: Add an example test with visual testing asserts