 out of two parts:
    </p>
    <ul>
        <li>A <a href="http://doc.akka.io/api/akka/2.3.10/#akka.remote.testkit.MultiNodeConfig">MultiNodeConfig</a>
            defining the common configuration and the <em>nodes</em> that take part in the test</li>
        <li>A (or several) <a href="http://doc.akka.io/api/akka/2.3.10/#akka.remote.testkit.MultiNodeSpec">MultiNodeSpec</a>(s)
            defining the actual test-logic.</li>
    </ul>
    <p>
        The <code>MultiNodeConfig</code> <code>TwoNodesReplicat