Decoration handle tests.

Control/DataModelTest/DataModelRunTests/CMakeLists.txt

...delTest/DataModelRunTests/share/ByteStreamTestWrite_jo.py

...odelTest/DataModelRunTests/share/xAODTestDecorHandle1.ref

...elTest/DataModelRunTests/share/xAODTestDecorHandle1MT.ref

...Test/DataModelRunTests/share/xAODTestDecorHandle1MT_jo.py

...elTest/DataModelRunTests/share/xAODTestDecorHandle1_jo.py

...odelTest/DataModelRunTests/share/xAODTestDecorHandle2.ref

...elTest/DataModelRunTests/share/xAODTestDecorHandle2MT.ref

...Test/DataModelRunTests/share/xAODTestDecorHandle2MT_jo.py

...elTest/DataModelRunTests/share/xAODTestDecorHandle2_jo.py

.../DataModelTest/DataModelRunTests/share/xAODTestRead_jo.py

...DataModelTest/DataModelRunTests/share/xAODTestWrite_jo.py

Control/DataModelTest/DataModelTestDataCommon/CMakeLists.txt

...Common/src/components/DataModelTestDataCommon_entries.cxx

...taModelTest/DataModelTestDataCommon/src/xAODTestDecor.cxx

...DataModelTest/DataModelTestDataCommon/src/xAODTestDecor.h

...delTest/DataModelTestDataCommon/src/xAODTestReadDecor.cxx

...ModelTest/DataModelTestDataCommon/src/xAODTestReadDecor.h

...DataRead/src/components/DataModelTestDataRead_entries.cxx

...ataModelTest/DataModelTestDataWrite/src/xAODTestWrite.cxx