If it is just a short visit for an interview or an entrance test, then a Standard Visitor Visa Standard Visitor visa should be all you need.
You don’t need a Short-term study visa if you are going to be here for less than a month. But if in doubt, it is always wisest to check with the UK immigration authorities.
Gill Bullen, Been working with Tier 4 students for a long time.
Source: Quora Digest