diff --git a/CMakeLists.txt b/CMakeLists.txt
index a4084993c..71de86e3d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.12 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.20 FATAL_ERROR)
 
 #---------------------------
 set( PackageName lcgeo )
diff --git a/lcgeoTests/CMakeLists.txt b/lcgeoTests/CMakeLists.txt
index 6ace2ae0d..eadfbe13b 100644
--- a/lcgeoTests/CMakeLists.txt
+++ b/lcgeoTests/CMakeLists.txt
@@ -1,7 +1,7 @@
 
 #--------------------------------------------------
 
-configure_file( ${DD4hep_ROOT}/cmake/run_test_package.sh run_test_${PackageName}.sh @ONLY)
+configure_file( ${DD4hep_ROOT}/cmake/run_test_package.sh run_test_${PackageName}.sh FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE @ONLY)
 INSTALL(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh
   DESTINATION bin )
 
@@ -11,90 +11,90 @@ INSTALL(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh
 #--------------------------------------------------
 # test(s) for ILD
 SET( test_name "test_ILD_l5_v02" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../ILD/compact/ILD_l5_v02/ILD_l5_v02.xml --runType=batch -G -N=1 --outputFile=testILD_l5_v02.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_ILD_s5_v02" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../ILD/compact/ILD_s5_v02/ILD_s5_v02.xml --runType=batch -G -N=1 --outputFile=testILD_s5_v02.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_ILD_l5_v09" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../ILD/compact/ILD_l5_v09/ILD_l5_v09.xml --runType=batch -G -N=1 --outputFile=testILD_l5_v09.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_ILD_l5_v10" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../ILD/compact/ILD_l5_v10/ILD_l5_v10.xml --runType=batch -G -N=1 --outputFile=testILD_l5_v10.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_ILD_l5_v11" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../ILD/compact/ILD_l5_v11/ILD_l5_v11.xml --runType=batch -G -N=1 --outputFile=testILD_l5_v11.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 #--------------------------------------------------
 # tests for SiD
 SET( test_name "test_SiD_o2_v03" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../SiD/compact/SiD_o2_v03/SiD_o2_v03.xml --runType=batch -G -N=1 --outputFile=testSiD_o2_v03.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_SiD_o2_v04" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../SiD/compact/SiD_o2_v04/SiD_o2_v04.xml --runType=batch -G -N=1 --outputFile=testSiD_o2_v04.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 #--------------------------------------------------
 # test for CLIC_o1_v01
 SET( test_name "test_CLIC_o1_v01" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../CLIC/compact/CLIC_o1_v01/CLIC_o1_v01.xml --runType=batch -G -N=1 --outputFile=testCLIC.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_CLIC_o2_v04" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../CLIC/compact/CLIC_o2_v04/CLIC_o2_v04.xml --runType=batch -G -N=1 --outputFile=testCLIC_o2_v04.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_CLIC_o3_v15" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
         ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../CLIC/compact/CLIC_o3_v15/CLIC_o3_v15.xml --runType=batch -G -N=1 --outputFile=testCLIC_o3_v15.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_FCCee_o1_v05" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
 	ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../FCCee/CLD/compact/FCCee_o1_v05/FCCee_o1_v05.xml --runType=batch -G -N=1 --outputFile=testFCCee_o1_v05.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( det_name "CLD_o2_v05" )
-ADD_TEST( t_test_${det_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_test_${det_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
 	ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../FCCee/CLD/compact/${det_name}/${det_name}.xml --runType=batch -G -N=1 --outputFile=test${det_name}.slcio )
 SET_TESTS_PROPERTIES( t_test_${det_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 SET( test_name "test_steeringFile" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
   ddsim --steeringFile=${CMAKE_CURRENT_SOURCE_DIR}/../example/steeringFile.py --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../CLIC/compact/CLIC_o2_v04/CLIC_o2_v04.xml --runType=batch -G -N=1 --outputFile=testCLIC_o2_v04.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" )
 
 #--------------------------------------------------
 # test for IDEA o1 v02
 SET( test_name "test_IDEA_o1_v02" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
     ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../FCCee/IDEA/compact/IDEA_o1_v02/IDEA_o1_v02.xml --runType=batch -G -N=1 --outputFile=testIDEA_o1_v02.slcio )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" TIMEOUT 240)
 
 #--------------------------------------------------
 # test for ARC o1 v01
 SET( test_name "test_ARC_o1_v01_run" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
 	python3 ${CMAKE_CURRENT_SOURCE_DIR}/../example/arcfullsim.py --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../FCCee/CLD/compact/CLD_o3_v01/CLD_o3_v01.xml --runType batch  )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  " Exception;EXCEPTION;ERROR;Error" TIMEOUT 120)
 
 SET( test_name "test_ARC_o1_v01_overlap" )
-ADD_TEST( t_${test_name} "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
+ADD_TEST( t_${test_name} "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
 	ddsim --compactFile=${CMAKE_CURRENT_SOURCE_DIR}/../FCCee/CLD/compact/CLD_o3_v01/CLD_o3_v01.xml --runType run --part.userParticleHandler= --macroFile=${CMAKE_CURRENT_SOURCE_DIR}/../utils/overlap.mac  )
 SET_TESTS_PROPERTIES( t_${test_name} PROPERTIES FAIL_REGULAR_EXPRESSION  "Exception;EXCEPTION;ERROR;Error" TIMEOUT 240)
 
@@ -108,7 +108,7 @@ ADD_EXECUTABLE( BeamCalZtest src/BeamCalZtest.cpp )
 Target_Link_Libraries( BeamCalZtest lcgeo )
 INSTALL( TARGETS BeamCalZtest DESTINATION bin )
 
-ADD_TEST( t_SensThickness_Clic_o2_v4 "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
-          ${CMAKE_INSTALL_PREFIX}/bin/TestSensThickness ${CMAKE_CURRENT_SOURCE_DIR}/../CLIC/compact/CLIC_o2_v04/CLIC_o2_v04.xml 300 50 )
-ADD_TEST( t_SensThickness_CLIC_o3_v15 "${CMAKE_INSTALL_PREFIX}/bin/run_test_${PackageName}.sh"
-          ${CMAKE_INSTALL_PREFIX}/bin/TestSensThickness ${CMAKE_CURRENT_SOURCE_DIR}/../CLIC/compact/CLIC_o3_v15/CLIC_o3_v15.xml 100 50 )
+ADD_TEST( t_SensThickness_Clic_o2_v4 "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
+          ${CMAKE_BINARY_DIR}/bin/TestSensThickness ${CMAKE_CURRENT_SOURCE_DIR}/../CLIC/compact/CLIC_o2_v04/CLIC_o2_v04.xml 300 50 )
+ADD_TEST( t_SensThickness_CLIC_o3_v15 "${CMAKE_CURRENT_BINARY_DIR}/run_test_${PackageName}.sh"
+          ${CMAKE_BINARY_DIR}/bin/TestSensThickness ${CMAKE_CURRENT_SOURCE_DIR}/../CLIC/compact/CLIC_o3_v15/CLIC_o3_v15.xml 100 50 )