Step 1:

• Turn off the campaign

Step 2:

• Go to your orders section page in your store admin

• Click any of the orders that match your campaign trigger to access the order details page for that specific order

• Click on the More actions drop-down button on the top right section of the page

• Select the view order status page option

Step 3:

• On the thank-you page, add ?test_mode=true to the page URL, then press Enter.