Add diff-root check for simulation output for Run3 ART tests

Hi,

this MR adds a comparison of the simulation output (of 25 Zmumu events) for (a)symmetric Run 3 layouts to the MuonRecRTT ART tests. Also sweeping to 21.9 but not to master since master uses a different Geant4 version.

Best, Nico

MuonSpectrometer/MuonValidation/MuonRecValidation/MuonRecRTT/test/test_Run3_asymmetric_fullChain.sh

@@ -30,6 +30,14 @@ NWARNING="$(cat ${LOG_SIM} | grep WARNING | wc -l)"
 NERROR="$(cat ${LOG_SIM} | grep ERROR | wc -l)"
 NFATAL="$(cat ${LOG_SIM} | grep FATAL | wc -l)"
 echo "Found ${NWARNING} WARNING, ${NERROR} ERROR and ${NFATAL} FATAL messages in ${LOG_SIM}"
+# check differences wrt reference HITS file
+acmd.py diff-root OUT_HITS.root /cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/MuonRecRTT/Run3/HITS/AsymmetricLayout_HITS_v1.root --ignore-leaves timings &> log_diff_HITS.log
+exit_code=$?
+echo  "art-result: ${exit_code} diff-root_sim"
+if [ ${exit_code} -ne 0 ]
+then
+    exit ${exit_code}
+fi
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