Just make very good impression, usually if you make a few minor
mistakes but the tester feels safe with you then he'll pass you
with 14-18 points. I got 18 points, so did 3 of my friends on the
2nd try 
I was extremely lucky too, because almost as soon as I started the
TP in the circuit, I turned into a lane that was going in the
opposite direction, and the tester asked me what I was doing.. Then
I suddenly realised and I got so scared I was going to get failed,
but for some reason he let it slip and I passed in the end. Must
have let me off because he could see I was nervous, and there were
no cars around
