Fix broken unittests

catalogue/DummyCatalogue.hpp

catalogue/RdbmsCatalogue.cpp

objectstore/DriveState.cpp

scheduler/OStoreDB/OStoreDB.cpp

scheduler/Scheduler.cpp

scheduler/SchedulerDatabaseTest.cpp

scheduler/SchedulerTest.cpp

...castor/tape/tapeserver/daemon/DataTransferSessionTest.cpp

tapeserver/daemon/DriveHandler.cpp