HBASE-7597 TestHBaseFsck#testRegionShouldNotBeDeployed seems to be flaky, v2

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1461229 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8147. Adds an integration test for HBASE-8140 (issue observed when commitJob was launching another job).

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1461304 13f79535-47bb-0310-9956-ffa450edef68