Calendar cal = Calendar.getInstance();
Date now = cal.getTime();
DateRange range1 = rangeRelativeToDate(now, -4, 4);
DateRange range2 = rangeRelativeToDate(now, 4, 9);
c.addEntitlement(mockStackedEntitlement(c, range1, STACK_ID_1, PRODUCT_1, 1,
PRODUCT_1));
c.addEntitlement(mockStackedEntitlement(c, range2, STACK_ID_1, PRODUCT_1, 1,
PRODUCT_1));
List<Entitlement> ents = new LinkedList<Entitlement>(c.getEntitlements());