Cleanup, working on MSVC and clang compiles

Author: cliffg-softwarelibre

.github/workflows/build_run_unit_test_cmake.yml

@@ -12,8 +12,7 @@ jobs:
   build_matrix:
     strategy:
       matrix:
-        # os: [ubuntu-latest, windows-latest, macos-14]
-        os: [ubuntu-latest]
+        os: [ubuntu-latest, windows-latest, macos-14]
     runs-on: ${{ matrix.os }}
     defaults:
       run: