// mute log4j warning by configuring a dummy logger
if (!loggingConfigured) {
Logger root = Logger.getRootLogger();
root.removeAllAppenders();
root.setLevel(Level.OFF);
root.addAppender(new NullAppender());
loggingConfigured = true;
}
tmp.create();
ImmutableSettings.Builder builder = ImmutableSettings.settingsBuilder()
.put("node.name", "node-test")