docs: def turn_emails_off(view_func):
      """Turns emails off so no emails will be sent."""
  
      # Dummy email backend so no emails are sent.
      EMAIL_BACKEND_DUMMY = 'django.core.mail.backends.dummy.EmailBackend'
  
      def decorated(request, *args, **kwargs):
          orig_email_backend = settings.EMAIL_BACKEND
          settings.EMAIL_BACKEND = EMAIL_BACKEND_DUMMY
  
          response = view_func(request, *args, **kwargs)
          settings.EMAIL_BACKEND = orig_email_backend
          return response
  
      return decorated