Fix unit tests in DataModelRunTests and AthenaPoolExampleAlgorithms

...naPoolExampleAlgorithms/share/AthenaPoolExample_AMeta.ref

...aPoolExampleAlgorithms/share/AthenaPoolExample_Append.ref

...lExampleAlgorithms/share/AthenaPoolExample_AppendFast.ref

...aPoolExampleAlgorithms/share/AthenaPoolExample_Concat.ref

...enaPoolExampleAlgorithms/share/AthenaPoolExample_Copy.ref

...aPoolExampleAlgorithms/share/AthenaPoolExample_Filter.ref

...enaPoolExampleAlgorithms/share/AthenaPoolExample_RWBs.ref

...naPoolExampleAlgorithms/share/AthenaPoolExample_RWcBs.ref

...naPoolExampleAlgorithms/share/AthenaPoolExample_WMeta.ref

...naPoolExampleAlgorithms/share/AthenaPoolExample_Write.ref

...olExampleAlgorithms/share/AthenaPoolExample_WriteFast.ref

...L/OutputStreamAthenaPool/python/OutputStreamAthenaPool.py

...OutputStreamAthenaPool/src/AthenaPoolOutputStreamTool.cxx