Don't run GPU tests on CI (#6072)

Author: singiamtel

o2.sh

@@ -120,7 +120,7 @@ incremental_recipe: |
     find $PWD -name "*.root" -delete
     rm -rf test_logs
     TESTERR=
-    ctest -C ${CMAKE_BUILD_TYPE} -E "test_Framework" --output-on-failure ${JOBS+-j $JOBS} || TESTERR=$?
+    ctest -C ${CMAKE_BUILD_TYPE} -LE gpu -E "test_Framework" --output-on-failure ${JOBS+-j $JOBS} || TESTERR=$?
     ctest -C ${CMAKE_BUILD_TYPE} -R test_Framework --output-on-failure || TESTERR=$?
     # Display additional logs for tests that timed out in a non-fatal way
     set +x
@@ -354,7 +354,7 @@ if [[ $ALIBUILD_O2_TESTS ]]; then
   # Clean up ROOT files created by tests in build area
   find $PWD -name "*.root" -delete
   TESTERR=
-  ctest -C ${CMAKE_BUILD_TYPE} -E "(test_Framework)|(test_GPUsort(CUDA|HIP))" --output-on-failure ${JOBS+-j $JOBS} || TESTERR=$?
+  ctest -C ${CMAKE_BUILD_TYPE} -LE gpu -E "(test_Framework)|(test_GPUsort(CUDA|HIP))" --output-on-failure ${JOBS+-j $JOBS} || TESTERR=$?
   ctest -C ${CMAKE_BUILD_TYPE} -R test_Framework --output-on-failure || TESTERR=$?
   # Display additional logs for tests that timed out in a non-fatal way
   set +x