THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
Most of the JUnit and CPPUnit tests are not unit tests!
Correct. We use them has as generic test harnesses. We would like to get more unit tests, but at the end of the day the most important tests for us are the ones that show the system works. It would be awesome (!!!) if someone makes it their mission to add more unit tests.
...
yes, particularly between PrepRP and FinalRP. See https://issues.apache.org/jira/browse/ZOOKEEPER-1092