Integrate the local server in the server-checking scheme

Testing for a local server is done independently from the other servers (and at least twice). This should be solidified.

added Unity-Backend label

marked this issue as related to #25

mentioned in issue #25

assigned to @baletiballo

Done in 0f242526

closed

There still are additional (redundant?) checks happening when starting a local game, but this is different can of worms.