client/server compatbility tests

[haircommander]

eventually, we will need to have a version skew policy between client and server. Once we establish that, we should also have tests guaranteeing old servers work with new clients and vice versa.

[d4v1d03]

Hi, i'd like to work on this issue too later on after the log driver one, could you share some more insights on the types of tests we generally care for.