This article explains where you can find your registrations.

Click on "Enrollments". You will then see the following screen:

On this screen, you will see all your enrollments. You can filter them by academic year and semester.

If you have enrolled for your exam and confirmed it, it will be displayed with a green dot with a checkmark and the message "Enrollment final".

If the activity you have registered for has a waiting list, you will see it on this screen with a blue clock icon and the message "Placed on waiting list".