Goal:
Enabling Test mode
Put Amazon account into Test mode
Steps:
On your Amazon Business account, hover over your account name near the top right of the page.
Select Business Settings from the drop-down Menu
Scroll to the bottom of the Business Settings page and Select System Integrations
Select the yellow button Switch to Test mode shown on the right-hand side
With this option selected, your Amazon Account will be in test mode.
To disable test mode, please see the article How to disable test mode on Amazon PunchOut.
Additional Information:
Only the Account Admin for the Amazon Business Account can make this change.