For MOT, as I understand it....
A set of wheels and tyres.
Bolt the floors down.
Check the brakes over, maybe bleed or new cylinders.
Rewire alternator to battery (now under seat due to 200tdi) coz the wires melted yesterday.
It's possible the 200tdi alternator is too butch for series wiring when linked to a flat battery.
Secure battery.
Fill with tents!