def test_slugs_change_when_title_changes(self):
guide1 = Guide(title = "What to do in Montreal!",
location = "Montreal, Canada",
owner = self.account,
is_draft = True)
guide1.save()
self.assertEqual(guide1.slug, "what-to-do-in-montreal")
guide1.title = "Awesome jogging routes in Montreal!"
guide1.save()
self.assertEqual(guide1.slug, "awesome-jogging-routes-in-montreal")
