What's the successor of mrunit?

Question

Today I found out that the ASF retired mrunit (see https://blogs.apache.org/foundation/entry/the_apache_news_round_up85 and https://issues.apache.org/jira/browse/HADOOP-3733 and

Answer 1

I believe the reason for this retirement is the realization that Mockito already can handle what you need to unit test your mapper/reducers. All you need is to mock your Context, Counter and HBase KeyValue and you can then pass in a row (in the form of the Result object) to a mapper and check if the key/value emitted is correct.

FYI - I actually got my MR unit tests working perfectly using this approach without any assistance from MRUnit and PowerMock.