unit tests EVERYWHERE
Revert "unit tests EVERYWHERE"

This reverts commit 2c3a4b8befbf1486d3a3c51d90217e70ae7cc0f5.
Merge branch 'master' of https://github.com/utwente-di/di04
Revert "Revert "unit tests EVERYWHERE""

This reverts commit a3606beb45c4a4f7953cde5820f30c09fed7eb74.