futureGet = nodeB.getDataManager().getUnblocked(parametersA);
futureGet.awaitUninterruptibly();
assertNull(futureGet.getData());
// create a message with target node B
final TestMessageWithReply message = new TestMessageWithReply(nodeB.getNodeId(), contentKey);
// initialize the process and the one and only step to test
BaseMessageProcessStep step = new BaseMessageProcessStep(nodeA.getMessageManager()) {
@Override