Our shipping test utilizes Shopify Carrier service API to return rates.
To ensure the test working well, please manually add it to the shipping zone if you see this message while creating the shipping test.
Configuration Steps
Shopify settings
Shipping and delivery
Shipping profile: select the profile that you want to run shipping test
Shipping zone: go to the zone that you want to run shipping test
Add rate: Use carrier or app to calculate rates > ABConvert Shipping (Rates provided by app)
Save your changes
Video guide