assertRegionsAssigned(cluster, regions);
expectedNumRS--;
assertEquals(expectedNumRS, cluster.getRegionServerThreads().size());
log("Restarting region server " + num + " of " + total);
restarted = cluster.startRegionServer();
restarted.waitForServerOnline();
expectedNumRS++;
log("Region server " + num + " is back online");
log("Waiting for no more RIT");
blockUntilNoRIT(zkw, master);
log("Verifying there are " + numRegions + " assigned on cluster");