diff --git a/Trigger/TrigValidation/TrigUpgradeTest/CMakeLists.txt b/Trigger/TrigValidation/TrigUpgradeTest/CMakeLists.txt
index 4d8de0a33b1122a30af00269bb90a1b3b2922c91..9acc904b0538731ad38f029633f1e437c7b60d80 100644
--- a/Trigger/TrigValidation/TrigUpgradeTest/CMakeLists.txt
+++ b/Trigger/TrigValidation/TrigUpgradeTest/CMakeLists.txt
@@ -72,12 +72,12 @@ atlas_add_test( egammaRunData
    PROPERTIES WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_egammaRunData
    )
 
-
+file( MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_decodeBS )
 atlas_add_test( decodeBS
    SCRIPT test/test_decodeBS.sh
    PROPERTIES TIMEOUT 1000
-   EXTRA_PATTERNS "-s .*absent.*|.*present.*|.*fragment: clid, type, key.*"
-   PROPERTIES WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_egammaRunData
+   EXTRA_PATTERNS "-s FillMissingEDM.*(present|absent)"
+   PROPERTIES WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unitTestRun_decodeBS
    DEPENDS egammaRunData
    )
 
diff --git a/Trigger/TrigValidation/TrigUpgradeTest/share/decodeBS.py b/Trigger/TrigValidation/TrigUpgradeTest/share/decodeBS.py
index 8705ff0039257dfe2ce42935589c9c8263b25061..607cbd29be610bcf8046412af1156e648b56ca55 100644
--- a/Trigger/TrigValidation/TrigUpgradeTest/share/decodeBS.py
+++ b/Trigger/TrigValidation/TrigUpgradeTest/share/decodeBS.py
@@ -14,7 +14,7 @@ topSequence += decoder
 
 
 from TrigOutputHandling.TrigOutputHandlingConf import TriggerEDMDeserialiserAlg
-deserialiser = TriggerEDMDeserialiserAlg()
+deserialiser = TriggerEDMDeserialiserAlg("TrigDeserialiser")
 deserialiser.OutputLevel=DEBUG
 topSequence += deserialiser
 
diff --git a/Trigger/TrigValidation/TrigUpgradeTest/test/test_decodeBS.sh b/Trigger/TrigValidation/TrigUpgradeTest/test/test_decodeBS.sh
index ea29332352d660e999676a2ca4f8b5ac20afc2bb..b045f5aa72b44e863a48e687da589caad470eb17 100755
--- a/Trigger/TrigValidation/TrigUpgradeTest/test/test_decodeBS.sh
+++ b/Trigger/TrigValidation/TrigUpgradeTest/test/test_decodeBS.sh
@@ -3,6 +3,17 @@
 # art-include: master/Athena
 
 #
+
+#!/bin/sh
+# art-type: build
+# art-include: master/Athena
+
+#clear BS from previous runs
+rm -rf  data_test.*.data
+athena  --threads=1 --skipEvents=10 --evtMax=20 --filesInput="/cvmfs/atlas-nightlies.cern.ch/repo/data/data-art/TrigP1Test/data17_13TeV.00327265.physics_EnhancedBias.merge.RAW._lb0100._SFO-1._0001.1" TrigUpgradeTest/egamma.withViews.py
+
+
+
 FNAME=data_test.00327265.Single_Stream.daq.RAW._lb0100._Athena._0000.data 
 if [ -f ${FNAME} ]
 then