AthenaPoolExampleAlgorithms: Update test reference files.

...enaPoolExampleAlgorithms/share/AthenaPoolExample_Copy.ref

...naPoolExampleAlgorithms/share/AthenaPoolExample_RCond.ref

...naPoolExampleAlgorithms/share/AthenaPoolExample_RMeta.ref

...PoolExampleAlgorithms/share/AthenaPoolExample_ReWrite.ref

...xampleAlgorithms/share/AthenaPoolExample_ReWriteAgain.ref

...ExampleAlgorithms/share/AthenaPoolExample_ReWriteNext.ref

...enaPoolExampleAlgorithms/share/AthenaPoolExample_Read.ref

...olExampleAlgorithms/share/AthenaPoolExample_ReadAgain.ref

...lExampleAlgorithms/share/AthenaPoolExample_ReadConcat.ref

...naPoolExampleAlgorithms/share/AthenaPoolExample_WCond.ref