Added new test for express processing

Tools/Tier0ChainTests/test/test_express_processing.sh

+#!/bin/sh
+#
+# art-description: RecoTrf
+# art-type: grid
+# art-include: master/Athena
+# art-athena-mt: 8
+
+Reco_tf.py  \
+--AMI x608  \
+--inputBSFile="/eos/atlas/atlastier0/rucio/data21_comm/express_express/00404400/data21_comm.00404400.express_express.merge.RAW/data21_comm.00404400.express_express.merge.RAW._lb2497._SFO-ALL._0001.1" \
+--outputHISTFile="HIST.root" \
+--outputAODFile="AOD.root" \
+--imf False
+
+rc1=$?
+echo "art-result: $rc1 Reco"
+
+rc2=-9999
+if [ ${rc1} -eq 0 ]
+then
+  ArtPackage=$1
+  ArtJobName=$2
+  art.py compare grid --entries 30 ${ArtPackage} ${ArtJobName} --mode=semi-detailed --order-trees --ignore-exit-code diff-pool
+  rc2=$?
+fi
+echo  "art-result: ${rc2} Diff"
+