Check right hand rule in heavy snow

Hi

I have a driving test in Farsta and weather is snowy

Does anyone have experience which points I have to take into account when I drive in snowy weather

How to check right hand rule when street covered with snow

If there are no signs and its not a ”huvudled” its always right hand rule and in some cases if its extreme cases of heavy snow the driving examiner might help you in certain siutations but you should be fine if you just keep an eye on road signs