new_contents: # -*- coding: utf-8 -*-
  
  
  def test_switch_language(app):
      test_label = app.carousel.slides[1].children[1]
  
      english_text = (
          "This app uses Kivy, a Python Framework for NUI Development."
      )
      assert test_label.text == english_text
  
      app.on_config_change(app.config, 'user_settings', 'language', 'de')
  
      german_text = (
          "Diese App benutzt Kivy, ein Python Framework zur NUI Entwicklung."
      )
      assert test_label.text == german_text
  
subject: Add another test for switching the language of the app