assertFalse(costCategory.canAddHourCost(hourCost2));
hourCost2.setInitDate(new LocalDate(2009,11,11));
assertTrue(costCategory.canAddHourCost(hourCost2));
hourCost1.setEndDate(null);
assertFalse(costCategory.canAddHourCost(hourCost2));
hourCost2.setEndDate(new LocalDate(2009,11,30));
assertFalse(costCategory.canAddHourCost(hourCost2));
hourCost1.setEndDate(new LocalDate(2009,11,20));
assertFalse(costCategory.canAddHourCost(hourCost2));
hourCost1.setEndDate(new LocalDate(2009,12,1));