public void testGetAllCDsDoesNotIncludeISBNs() { gateway.addCopies( new CompactDisc("abcd", "Peace and War, The Musical", "Gilbertolov and Sullivanalov"), 2); gateway.addCopies(new CompactDisc("xyz", "The White Album", "The Beatles"), 2); List cds = gateway.findAllCDs(); assertEquals(2, cds.size()); assertEquals(6, gateway.copyCount()); }