public void removeWorker() {
        WorkerHandle toRemove = null;
        for (Iterator<WorkerHandle> it = connectCluster.iterator(); it.hasNext(); toRemove = it.next()) {
        }
        if (toRemove != null) {
            removeWorker(toRemove);
        }
    }
Decommission one of the workers from this Connect cluster. Which worker is removed is
implementation dependent and selection is not guaranteed to be consistent. Use this method
when you don't care which worker stops.

@see #removeWorker(WorkerHandle)
connect/runtime/src/test/java/org/apache/kafka/connect/util/clusters/EmbeddedConnectCluster.java