'A ``POST`` with a valid e-mail address'

def test_change_valid_email_view(self):

    self.client.login(username='john', password='blowfish')
    response = self.client.post(reverse('userena_email_change', kwargs={'username': 'john'}), data={'email': 'john_new@example.com'})
    self.assertRedirects(response, reverse('userena_email_change_complete', kwargs={'username': 'john'}))
