Stage s = new Stage(requestId, "/a/b", DummyCluster, 1L, "heartbeat handler test", "clusterHostInfo");
s.setStageId(stageId);
String filename = null;
s.addHostRoleExecutionCommand(DummyHostname1, Role.HBASE_MASTER,
RoleCommand.START,
new ServiceComponentHostStartEvent(Role.HBASE_MASTER.toString(),
DummyHostname1, System.currentTimeMillis()), DummyCluster, HBASE);
List<Stage> stages = new ArrayList<Stage>();
stages.add(s);
Request request = new Request(stages, clusters);
db.persistActions(request);