skip rich without allowing failure

benchmarks/clustering/options/calorimeter_clustering.py

@@ -60,6 +60,7 @@ crystal_ec_reco = CrystalEndcapsReco("crystal_ec_reco",
 ecal_reco = EMCalReconstruction("ecal_reco", 
         inputHitCollection="RawEcalBarrelHits", 
         outputHitCollection="RecEcalBarrelHits",
+        samplingFraction=0.25,
         minModuleEdep=0.0*units.MeV)
 
 ec_barrel_cluster = IslandCluster("ec_barrel_cluster",