Online insurance brokers Coverinaclick say that because tests have been limited to essential workers since the start of the second lockdown, the backlog is going to get significantly worse. 

They believe that the wait time could hit 12 months by early next year, and warn that that delays to driving tests will mean thousands of provisional license drivers will be forced to renew insurance policies which cost way more than a fully licensed driver would pay. 

https://www.irishexaminer.com/business/economy/arid-40079156.html