Run test suite in os-llvm workflow from under GDB

Author: oleksandr-pavlyk

.github/workflows/os-llvm-sycl-build.yml

@@ -97,7 +97,11 @@ jobs:
       - name: Install system components
         shell: bash -l {0}
         run: |
-          sudo apt-get install libtinfo5
+          sudo apt-get install -y libtinfo5
+
+      - name: Install gdb
+        run: |
+          sudo apt-get install -y gdb
 
       - name: Setup Python
         uses: actions/setup-python@v4
@@ -163,4 +167,4 @@ jobs:
         run: |
           source set_allvars.sh
           # skip test due to https://github.com/intel/llvm/issues/9264
-          python -m pytest -v dpctl/tests -k "not test_event_backend"
+          gdb --batch -ex r -ex 'info sharedlibrary' -ex 'set print elements 1000' -ex bt --args python -m pytest -v dpctl/tests -k "not test_event_backend"