ClickHouse/tests/integration/test_on_cluster_timeouts/configs/users_config.xml

<clickhouse>
    <profiles>
        <default>
            <mutations_sync>2</mutations_sync>
        </default>
    </profiles>

    <users>
        <default>
            <password></password>
            <networks incl="networks" replace="replace">
                <ip>::/0</ip>
            </networks>
            <profile>default</profile>
            <quota>default</quota>
        </default>
    </users>

    <quotas>
        <default>
        </default>
    </quotas>
</clickhouse>