Learn to drive in 7 days The DSA practical driving test can be daunting. If you have failed your driving test recently the failed test course is there to prepare you to retake your test and build your confidence back up. The Failed Test course is a 12 hour course which would normally be taken over 2 days. The practical driving test is arranged for the course final hour. Training will be to the DSA syllabus for the practical driving test.