GitHub user sihuazhou opened a pull request: https://github.com/apache/flink/pull/5886
[FLINK-9230][test] harden WebFrontendITCase#testStopYarn() ## What is the purpose of the change This PR aim to harden `WebFrontendITCase#testStopYarn()`. ## Brief change log - *harden `WebFrontendITCase#testStopYarn()`* ## Verifying this change This change is a trivial rework / code cleanup without any test coverage. ## Does this pull request potentially affect one of the following parts: no ## Documentation no You can merge this pull request into a Git repository by running: $ git pull https://github.com/sihuazhou/flink hardenTestStopYarn Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/5886.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #5886 ---- commit 516dfd9dd7ac63b858c924ae57a88dde52ad1715 Author: sihuazhou <summerleafs@...> Date: 2018-04-21T05:34:21Z harden WebFrontendITCase#testStopYarn() ---- ---