@AfterAll
    public static void commonTeardown() {
        dstServer.destroy();
        srcServer.destroy();
        slobrok.stop();
        dstServer = null;
        srcServer = null;
        slobrok = null;
    }
@author havardpe
@author Simon Thoresen Hult
messagebus/src/test/java/com/yahoo/messagebus/routing/RoutingTestCase.java