def test_profile(self):
# creating a user with a profile
u1 = User(username='******', password='******')
u1.save()
up1 = Profile(user_id=u1.id)
# checks that up1 is an instance of Profile
self.assertTrue(isinstance(up1, Profile))
# checks if up1 is equal to the user: u1.username + str('Profile')
self.assertEqual(up1.__str__(), u1.username + ' Profile')
