ritegarg

Updated some tests, some of the tests are false positives so can be ignored if failing in main hadoop repo as well. Test Name | With Changes(locally) | Without Changes...

> All the tests (except for 1 test) that failed in [this build](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6614/6/) are flaky. They are failing in daily build also. Check [here](https://ci-hadoop.apache.org/job/hadoop-qbt-branch-2.10-java7-linux-x86_64/1333/) for the latest build. The only...

> There are few test failures. Can you please take a look? @ritegarg I was looking into the failures, looks like transient failures. The same tests are running fine locally.

Ran the tests locally and observing that some of the failures are not reproducible and tests are passing. 1 test is failing with and without changes. 1 test is flaky...

> @ritegarg Thank you for the PR. Overall looks good. Looks like `blanks` and `spotbugs` warnings are relevant. Can you please fix them? Once that is done, I will approve...