Disqualified for 56 days or more If you’re disqualified for 56 days or more you must apply for a new licence before driving again. You might also have to retake your driving test or take an extended driving test before getting your full licence. The court will tell you if you have to do this.
If when she was summons to court, it would be in writing if she needed to take her test again.
You can check more here and reply for her driving licence before your disqualification period ends:
https://www.gov.uk/reapply-licence-revoked