MovingBlocks/Terasology — pull request #1394 by msteiger (2014-11-24 13:06:50+00:00)
Title: Fix NetworkOwnershipTest unit tests

This PR fixes all NetworkOwnershipTest unit tests with a single line of code :+1:
Guava's ConcurrentMap throws a NPE if the key is `null`. Using a dummy client ID instead fixes the problem.