title: How to cancel Auto-renewable subscription by using test user in sandbox environment?
body: <p>I use Auto-Renewable Subscription in my application. When I test it I want to cancel Auto-Renewable Subscription in Sandbox environment, but I find out Auto-Renewable could not be canceled by a test user. How to cancel Auto-Renewable Subscription in Sandbox environment? And how to get the cancellation date in Sandbox environment? Thank you!</p>