I've written an article about testing abstract classes in Java which talks about how NetBeans gives some very helpful test class ideas. Can you give it a once-over?
https://medium.com/dev-genius/testing-abstract-classes-in-java-2989f12e9d5f The article is on Medium Premium, but since the month is just starting, maybe you have your three free for the month (if you're not a paying subscriber). Al -- Alonso del Arte Author at SmashWords.com <https://www.smashwords.com/profile/view/AlonsoDelarte> Musician at ReverbNation.com <http://www.reverbnation.com/alonsodelarte>