Much like all other comments, relax (not easy I know)
I talked to myself through mine, when I had the indicators on I would say that they were on to remind myself to turn them off.
Lifesavers cannot be done enough.
Mirror checks need a full head movement not an eye flick.
If you get a chance to open the pipes, do so, you need to be at the speed limit (where possible).
Maintain correct distances from the car in front.
My mod2 was a load of pulling in and out of kerbs to prove I can do so safely.
The only maneuver they will do is an angled start, where your view is obscured by a van.
Poss hill start if you have a hill.
I was told by my instructor not to filter unless the examiner tells you to, even then he said they will probably lead and get you to follow, but I am not city based, I wasn't taught filtering on a lesson.
Lastly, good luck matey!