MockTransportService masterTransportService = (MockTransportService) internalCluster().getInstance(TransportService.class, masterNode);
masterTransportService.addFailToSendNoConnectRule(discoveryNodes.localNode(), PublishClusterStateAction.ACTION_NAME);
logger.info("allowing requests from non master [{}] to master [{}], waiting for two join request", nonMasterNode, masterNode);
final CountDownLatch countDownLatch = new CountDownLatch(2);
nonMasterTransportService.addDelegate(discoveryNodes.masterNode(), new MockTransportService.DelegateTransport(nonMasterTransportService.original()) {
@Override
public void sendRequest(DiscoveryNode node, long requestId, String action, TransportRequest request, TransportRequestOptions options) throws IOException, TransportException {
if (action.equals(MembershipAction.DISCOVERY_JOIN_ACTION_NAME)) {
countDownLatch.countDown();
}