configuration.setCacheMode(Configuration.CacheMode.REPL_ASYNC);
BuddyManager bm = cr.getOrCreateComponent(null, componentToTest);
assert bm != null;
StateTransferManager stm = (StateTransferManager) TestingUtil.extractField(bm, "stateTransferManager");
assert stm != null;
RPCManager rpcm = (RPCManager) TestingUtil.extractField(bm, "rpcManager");
assert rpcm != null;