if you are worried about emissions, get some injector cleaner and rag the f*** out of it (when its warm obviously)
bushes and mountings will be checked, so check for play especially on ARB links, wishbones, ball joints etc. also look for corrosion around suspension/steering mounting points.
wiper blades decent?
screen wash topped up?
number plates in good nick?
number plate bulbs working?
most places dont charge for a retest within 10 days, so you have a few days to get it sorted.