Add FTAG6 ART test for release 22

PhysicsAnalysis/DerivationFramework/DerivationFrameworkART/DerivationFrameworkFlavourTagART/test/test_mcvalidFTAG6.sh

+#!/bin/sh
+
+# art-include: master/Athena
+# art-description: DAOD building FTAG6 validation inputs
+# art-type: grid
+# art-output: *.pool.root
+# art-output: checkFile.txt
+# art-output: checkxAOD.txt
+
+set -e
+
+Reco_tf.py --inputAODFile /cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/DerivationFrameworkART/AOD.14795494._005958.pool.root.1 --outputDAODFile art.pool.root --reductionConf FTAG6 --maxEvents 5000 --preExec 'from AthenaCommon.DetFlags import DetFlags;DetFlags.detdescr.all_setOff(); DetFlags.BField_setOn()'
+
+echo "art-result: $? reco"
+
+checkFile.py DAOD_FTAG6.art.pool.root > checkFile.txt
+
+echo "art-result: $?  checkfile"
+
+checkxAOD.py DAOD_FTAG6.art.pool.root > checkxAOD.txt
+
+echo "art-result: $?  checkxAOD"
+
+