           err.Cart.Request.should.have.property 'Errors'
           err.Cart.Request.Errors.should.be.an.Array
           done()
-###
            results.Cart.should.have.property 'CartId'
            results.Cart.should.have.property 'HMAC'
            results.Cart.CartItems.CartItem.should.be.an.Array
            done()

  describe 'when credentials are invalid', ->

          results.Cart.should.have.property 'CartId'
          results.Cart.should.have.property 'HMAC'
          results.Cart.CartItems.CartItem.should.be.an.Array
          cartId = results.Cart.CartId
          cartHMAC = results.Cart.HMAC

    describe 'when callback is passed', ->
      it 'should return results from amazon', (done)->
