I'm currently in the middle of refactoring all of my test code.  I've decided to split my test folder into two subfolders, unit and integration.

\src\test\java\integration
\src\test\java\unit

I have a lot of long running integration tests that need to be separated from my unit tests.  My were getting slow and difficult to manage, so hopefully JUnit will be able to fly through my newly organized unit tests.