new_contents: from django.core.urlresolvers import resolve
  from unittest import TestCase
  from ..views import device_token_receive
  
  
  class NotificationUrlsTestCase(TestCase):
  
      def test_url_resolves_to_device_token_receive(self):
          found = resolve('/receive')
          self.assertEqual(found.func, device_token_receive)
  
subject: Add notification's url test case