Sorry man. I know it's comforting to think that somewhere out there is a "Magic Bullet" that will solve the enigma of getting Golds on license tests, but it's not true. There's no simple advice that's going to get you there other than the things you probably already know.... learn the track, keep tight lines, and keep at it until you succeed.
Use your ghost and find the spots you can make it through faster. If you want a rundown of where I think you can improve your time, it would help if I could see what you're doing. Got a SharkPort?