HBASE-8552: fix coverage org.apache.hadoop.hbase.rest.filter(by Andrey Klochkov)

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.96@1537198 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9822: IntegrationTestLazyCfLoading failed occasionally in a secure enviroment

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.96@1537239 13f79535-47bb-0310-9956-ffa450edef68