adding fedex to prestashop
I'm trying to add connect to fedex to prestashop. I'm using prestashop 1.6. Under the General Settings in Connect to Fedex, I have entered the Fedex account, meter number, password and authentication key provided from Fedex. I complete everything else on the page and when I hit the save button, I get "Error 1000:Authentication Failed". I have all the Fedex information entered correctly. Following Fedex instructions, I created a test account and have a test key. When I contacted Fedex, they said everything was correct except that I'm pointing to their production server instead of the test server. They said I needed to talk to my provider. My question is how do I point this to a test server? I don't see anywhere to select test or sandbox.