@Test
	public void testExemptItem() throws ReadItemLineException{
		concrateItemFactory = spy(ConcrateItemFactory.getInstance());
		ConcreteItem item = (ConcreteItem)concrateItemFactory.createItem("1 packet of headache pills at 9.75");
	    Set<TaxRateType> expectedTaxes = EnumSet.of(TaxRateType.EXEMPT_TAX);
		assertCreatedItemCorrectly(1,"packet of headache pills ",new BigDecimal(9.75).setScale(2, RoundingMode.HALF_UP),expectedTaxes,item);
		
	}