'Trying to confirm a new e-mail address when the ``confirmation_key``
is invalid.'

def test_confirmation_invalid(self):

    new_email = 'john@newexample.com'
    user = User.objects.get(pk=1)
    user.userena_signup.change_email(new_email)
    self.assertFalse(UserenaSignup.objects.confirm_email('sha1'))
    self.assertFalse(UserenaSignup.objects.confirm_email((10 * 'a1b2')))
