update spec-controllers
update spec-services
modify cart-spec.js
modify goodsList-spec.js
delete unuseful test and rename it in cart-spec.js and goodsList-spec.js
modify index-spec.js
modify manageCategory-spec.js
modify manageGoodsItems-spec.js
modify modifyCategory-spec.js
modify modifyGoodsItems-spec.js
modify shoppingList-spec.js
modify cartListService-spec.js
modify goodsListService-spec.js
modify operateCategory-spec.js
modify operateGoodsItems-spec.js