As a System Administrator
I need to be able to list all non-empty shopping carts
So that I can be informed about which users have items in their shopping carts
Details and Assumptions
Call GET on /shopcarts
Acceptance Criteria
Given there are some shopping carts with items in them
When we call GET on /shopcarts
Then service returns code 200 OK
And service returns message: list of customer_ids that have at least one item in their carts
As a System Administrator I need to be able to list all non-empty shopping carts So that I can be informed about which users have items in their shopping carts
Details and Assumptions
Call GET on /shopcarts
Acceptance Criteria