startStateTransfer(testCaches.coordinator, NYC);
assertOnline(LON, NYC);
//in the current implementation, the x-site state transfer is not triggered while the rebalance is in progress.
checkPoint.awaitStrict("before-chunk", 30, TimeUnit.SECONDS);
topologyManager.stopBlockingAll();
topologyEventFuture.get();
awaitXSiteStateSent(LON);
awaitLocalStateTransfer(NYC);