YARN-879. Fixed tests w.r.t o.a.h.y.server.resourcemanager.Application. Contributed by Junping Du.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1530904 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
Merge remote branch 'origin/branch-2-gd' into fb-HADOOP-9078-branch-2-gd