'Test that a user cannot modify or remove a quota on its account.'

@decorators.attr(type=['negative'])
@decorators.idempotent_id('d1dc5076-555e-4e6d-9697-28f1fe976324')
@test.requires_ext(extension='account_quotas', service='object')
def test_user_modify_quota(self):

    self.assertRaises(lib_exc.Forbidden, self.account_client.create_update_or_delete_account_metadata, create_update_metadata={'Quota-Bytes': ''})
    self.assertRaises(lib_exc.Forbidden, self.account_client.create_update_or_delete_account_metadata, create_update_metadata={'Quota-Bytes': '100'})
