test_hazelcast.xml

<hazelcast xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://www.hazelcast.com/schema/config
                               http://www.hazelcast.com/schema/config/hazelcast-config-3.3.xsd"
           xmlns="http://www.hazelcast.com/schema/config">
    <network>
        <join>
            <multicast enabled="true">
                <multicast-group>224.2.2.3</multicast-group>
                <multicast-port>54327</multicast-port>
            </multicast>
            <tcp-ip enabled="false">
            <interface>192.168.1.2</interface>
            </tcp-ip>

            <aws enabled="false">
            <access-key>my-access-key</access-key>
                <secret-key>my-secret-key</secret-key>
                <region>us-east-1</region>
            </aws>
        </join>
    </network>
</hazelcast>