}
private HourCost createValidHourCost() {
HourCost hourCost = HourCost.create(BigDecimal.ONE, new LocalDate());
TypeOfWorkHours type =
TypeOfWorkHours.create(UUID.randomUUID().toString(), UUID.randomUUID().toString());
type.setDefaultPrice(BigDecimal.TEN);
hourCost.setType(type);
typeOfWorkHoursDAO.save(type);
CostCategory costCategory = CostCategory.create(UUID.randomUUID().toString());
hourCost.setCategory(costCategory);