public static String getSlobrokConfig(Slobrok slobrok) {
        return "raw:slobrok[1]\n" +
               "slobrok[0].connectionspec \"" + new Spec("localhost", slobrok.port()).toString() + "\"\n";
    }
Returns the raw config needed to connect to the given slobrok.

@param slobrok the slobrok whose connection spec to include
@return the raw config string
messagebus/src/main/java/com/yahoo/messagebus/network/rpc/test/TestServer.java