dummy = self.neutron.create_security_group(
            body={
                "security_group": {
                    "project_id":project_id,
                    "name":"dummy",
                }
            }
        )

        self.neutron.delete_security_group(dummy["security_group"]["id"])

        security_groups = self.neutron.list_security_groups(project_id=project_id, name="default")
        return security_groups["security_groups"][0]