SoilDataRepository soilDataRepository = new MongoSoilDataRepository(db);
DefaultSoilDataService soilDataService = new DefaultSoilDataService(soilDataRepository);
SoilDataReadService soilDataReadService = new MongoSoilDataReadService(db);
SoilData soilData = SoilDataFaker.createValidSoilData();
String objectId = soilDataService.save(soilData);
// When
long count = soilDataReadService.getNewestSoilDataCount();
// Then