def test_form_validation_fails_for_existing_user(self):
user = G(User, email='*****@*****.**')
invite_form = InviteForm({'invitee': '*****@*****.**'})
self.assertFalse(invite_form.is_valid())
def test_form_validation(self):
invite_form = InviteForm(self.data)
self.assertTrue(invite_form.is_valid())