def test_activation_already_activated(self):
        new_user = RegistrationProfile.objects.create_inactive_user(site=Site.objects.get_current(),
                                                                    **self.user_info)
        profile = RegistrationProfile.objects.get(user=new_user)
        RegistrationProfile.objects.activate_user(profile.activation_key)

        profile = RegistrationProfile.objects.get(user=new_user)
        self.failIf(RegistrationProfile.objects.activate_user(profile.activation_key))
Attempting to re-activate an already-activated account fails.
dataset/ETHPy150Open codesters/codesters/registration/tests/models.py/RegistrationModelTests.test_activation_already_activated