In test mode, no real money is exchanged. Any orders will be created as test orders and are clearly marked as such. A banner is displayed on your storefront when you are in test mode to indicate the status to visitors.
Go to General Settings
From the merchant portal, choose Settings from the navigation menu, and General from the dropdown menu.
Leave Test Mode
Find the section for Store Test Settings, and set the toggle to off to leave test mode.
Save Your Changes
Press the Save button at the top or bottom of your screen.
If you created any test transactions while building your store, you have the ability to remove the test data when leaving test mode.