ClickHouse/tests/integration/test_cluster_discovery/config/config_with_pwd.xml

<clickhouse>
    <allow_experimental_cluster_discovery>1</allow_experimental_cluster_discovery>

    <remote_servers>
        <test_auto_cluster_with_pwd>
            <discovery>
                <path>/clickhouse/discovery/test_auto_cluster_with_pwd</path>
                <user>user1</user>
                <password>password123</password>
            </discovery>
        </test_auto_cluster_with_pwd>
        <test_auto_cluster_with_wrong_pwd>
            <discovery>
                <path>/clickhouse/discovery/test_auto_cluster_with_wrong_pwd</path>
                <user>user1</user>
                <password>wrongpass1234</password>
            </discovery>
        </test_auto_cluster_with_wrong_pwd>
    </remote_servers>

</clickhouse>