"test-only" does not work since sbt 1.0
"test-only" does not work since sbt 1.0

https://github.com/sbt/sbt/blob/v1.0.4/notes/1.0.0.markdown

> Drops sbt 0.12 style hyphen-separated key names

xuwei-k/msgpack-java,msgpack/msgpack-java,xuwei-k/msgpack-java,msgpack/msgpack-java