How can I create sandbox test users to test my in-app purchases in the sandbox test environment in App Store Connect?
Users with the Admin role can create sandbox test users in App Store Connect. To do so, click Sandbox Testers in Users and Access, then click the + button. For more information, see Add a sandbox tester in App Store Connect Help.
How can I delete a test user?
To delete a test user, click Test User in Users and Access, select the user account, and click Delete User. Note that the Apple ID of the deleted test user cannot be used again for any account. For more information, see Delete a sandbox tester in App Store Connect Help.