Adjusted the test according to implementation change
Merge branch 'hbase-11340' of https://github.com/JingchengDu/hbase into hbase-11339
Merge branch 'hbase-11339' of https://github.com/JingchengDu/hbase into hbase-11339
Merge branch 'hbase-11339' of https://github.com/JingchengDu/hbase into hbase-11339
Merge branch 'hbase-11339' of https://github.com/JingchengDu/hbase into hbase-11339
Added some comments for the test cases
Merge branch 'hbase-11339' of https://github.com/JingchengDu/hbase into hbase-11339