final ConfigurableApplicationContext context = createContext(dsContext);
cleanDB(context.getBean(DataSource.class));
final PersistentScottyEngine engine = context.getBean(PersistentScottyEngine.class);
final ScottyDBStorageInterface dbStorageInterface = context.getBean(ScottyDBStorageInterface.class);
dbStorageInterface.setRemoveWhenFinished(false);
engine.startup();
final BackChannelQueue backChannelQueue = context.getBean(BackChannelQueue.class);
try {
assertEquals(EngineState.STARTED,engine.getEngineState());
for (int i=0; i<NUMB; i++) {