If you want to take your practical driving test soon, but the next available tests are too far away, then try using this service to automatically check and book an earlier test as soon as anyone cancels one:
It does cost £18, but this is a fraction of the cost of having many more driving lessons if you are ready and just practicing. At the time of writing the waiting list at Lee on the Solent test centre was over 10 weeks. So a driving test cancellation at Lee on the Solent driving test centre could be valuable to you!