add gunit tests to github action

Author: jpbruyere

.github/workflows/cmake.yml

@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        build_config: ['Release']
+        build_config: ['Debug','Release']
     defaults:
       run:
         shell: bash
@@ -56,7 +56,6 @@ jobs:
       working-directory: source/build
     - run: cmake --build . --config ${{ matrix.build_config }}
       working-directory: source/build
-    - run: ls -R /home/runner/
     - run: /home/runner/work/vkvg/vkvg/source/build/gunit_tests/unit_tests
   mac_jorb:
     runs-on: macos-latest