.read(CarsModel.BASE_PATH).get(15, TimeUnit.SECONDS);
assertTrue("isPresent", optional.isPresent());
assertEquals("Data node", expCarsNode, optional.get());
.read(CarsModel.BASE_PATH).get(15, TimeUnit.SECONDS);
assertTrue("isPresent", optional.isPresent());
assertEquals("Data node", expCarsNode, optional.get());