NAS-2309 Mock usage of DAO in all non-DAO unit tests: Refactored JobSuperviser.testCleanOldJobs to clean unit test.
NAS-2309 Mock usage of DAO in all non-DAO unit tests: Refactored JobSuperviser.testRescheduleSubmittedJobs to clean unit test.
Merge remote-tracking branch 'origin/master' into test-refac
Merge branch 'test-refac'