Adding references to JUnit tests: http://frightanic.com/software-development/adding-references-junit-tests/
git clone https://github.com/marcelstoer/junit-references.git
cd junit-references
mvn package
open target/surefire-reports/junit-noframes.html
Update 2019-07-09
This does not work with JUnit 5. I have no plans to upgrade at the moment as I haven't used this project ever since its initial implementation. PRs are welcome, though.