'Users can be created without an email'

def test_user_no_email(self):

    u = User.objects.create_user('testuser1')
    self.assertEqual(u.email, '')
    u2 = User.objects.create_user('testuser2', email='')
    self.assertEqual(u2.email, '')
    u3 = User.objects.create_user('testuser3', email=None)
    self.assertEqual(u3.email, '')
