Run unit tests in MSVC CI job

.github/workflows/windows.yml

@@ -124,6 +124,12 @@ jobs:
       - name: Build Minetest
         run: cmake --build . --config Release
 
+      - name: Unittests
+        # need this workaround for stdout to work
+        run: |
+          $proc = start .\bin\Release\minetest.exe --run-unittests -NoNewWindow -Wait -PassThru
+          exit $proc.ExitCode
+
       - name: CPack
         run: |
           If ($env:TYPE -eq "installer")
@@ -134,12 +140,10 @@ jobs:
           {
             cpack -G ZIP -B "$env:GITHUB_WORKSPACE\Package"
           }
+          rm -r $env:GITHUB_WORKSPACE\Package\_CPack_Packages
         env:
           TYPE: ${{matrix.type}}
 
-      - name: Package Clean
-        run: rm -r $env:GITHUB_WORKSPACE\Package\_CPack_Packages
-
       - uses: actions/upload-artifact@v3
         with:
           name: msvc-${{ matrix.config.arch }}-${{ matrix.type }}