DataNodeTestUtils.getDNRegistrationForBP(cluster.getDataNodes().get(0), poolId);
waitForDatanodeState(reg.getStorageID(), true, 20000);
// Shutdown and wait for datanode to be marked dead
dn.shutdown();
waitForDatanodeState(reg.getStorageID(), false, 20000);
DatanodeProtocol dnp = cluster.getNameNodeRpc();
ReceivedDeletedBlockInfo[] blocks = { new ReceivedDeletedBlockInfo(