Add automated tests. At this point, there may not be unit tests; we can focus on GUI tests. For swing tests, - [UISpec4J](http://www.uispec4j.org/) - [SO question](http://stackoverflow.com/questions/79891/) Travis-CI also [supports GUI testing](http://docs.travis-ci.com/user/gui-and-headless-browsers/), so no problem there.
Add automated tests. At this point, there may not be unit tests; we can focus on GUI tests.
For swing tests,
Travis-CI also supports GUI testing, so no problem there.