This is a test product created for you to see how the subscription email looks like.
Add this product to the cart with a 1 days subscription interval selected, go to the checkout and use these card values to create a test purchase through bogus gateway:
Card number: 1
Name: anything you want
Date of expiry: 10/29
A day after you create a purchase, you will receive a recurring order reminder with a link to the checkout where you can complete your order.
The email will also have a link which you can use to cancel your subscription.