try to get ms compiler going with this target

Author: abeaucha

.github/workflows/build_unittest.yml

@@ -90,6 +90,8 @@ jobs:
     - name: Get latest CMake and ninja
       # Using 'latest' branch, the most recent CMake and ninja are installed.
       uses: lukka/get-cmake@latest        # THIS IS THE ONE LINER YOU NEED
+    - name: Add msbuild to PATH
+      uses: microsoft/setup-msbuild@v1.0.2
     - name: configure
       run: |
         ls env: