Eng 10782 split junit other (#4673)
Eng 10782 split junit other (#4673)

* break junit_other into 4 parts

* balance junit tests

* don't run non-test classes

* remove unnecessary comments
VoltDB/voltdb,VoltDB/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,VoltDB/voltdb,deerwalk/voltdb,VoltDB/voltdb,deerwalk/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,simonzhangsm/voltdb