Fix macOS NuGet tests - prioritize .NET MSBuild over Mono MSBuild

.github/actions/install-and-setup/action.yml

@@ -50,14 +50,23 @@ runs:
       with:
         nuget-version: 6.11.0
     - name: Install dotnet
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5  # Try v5 for better MSBuild handling
       with:
         dotnet-version: '6.x'
+
 
-    - name: Install Mono on MacOS
-      run: brew install mono
+    - name: Install Mono on MacOS with MSBuild environment setup
       if: runner.os == 'macOS'
-      shell: 'bash'
+      run: |
+        echo "Installing modern Mono with .NET MSBuild integration"
+        brew install mono
+
+        # Set MSBuild environment variables to use .NET SDK MSBuild instead of Mono's
+        echo "MSBUILD_EXE_PATH=$HOME/.dotnet/sdk/6.0.428/MSBuild.dll" >> $GITHUB_ENV
+        echo "MSBuildSDKsPath=$HOME/.dotnet/sdk/6.0.428/Sdks" >> $GITHUB_ENV
+
+        echo "Configured to use .NET MSBuild with Mono runtime"
+      shell: bash
 
     - name: Install Mono on Linux
       run: |

.github/workflows/test.yml

@@ -58,6 +58,27 @@ jobs:
       - name: Run Go vet
         run: go vet -v ./...
 
+  NuGet_Unit_Tests_Fast:
+    name: "[${{ matrix.os }}] NuGet Unit Tests (Fast Check)"
+    needs: Pretest
+    runs-on: ${{ matrix.os }}-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ macos ]  # Only test macOS where the issue occurs
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Install and Setup Dependencies
+        uses: ./.github/actions/install-and-setup
+
+      # Test only NuGet unit tests for fast feedback
+      - name: Run NuGet tests only
+        run: go test ./sca/bom/buildinfo/technologies/nuget -v -timeout 5m
+
   Unit_Tests:
     name: "[${{ matrix.os }}] Unit Tests"
     needs: Pretest
@@ -98,6 +119,8 @@ jobs:
       matrix:
         os: [ ubuntu, windows, macos ]
         suite:
+          - name: 'C/C++/C# Suite (Conan, NuGet, Dotnet)'
+            testFlags: '--test.audit.C'
           - name: 'General Suite (Detection, MultiTech, NoTech...)'
             testFlags: '--test.audit'
           - name: 'JAS Suite'
@@ -110,8 +133,6 @@ jobs:
             testFlags: '--test.audit.Java'
           - name: 'Go Suite (Go Modules, Dep, Glide)'
             testFlags: '--test.audit.Go'
-          - name: 'C/C++/C# Suite (Conan, NuGet, Dotnet)'
-            testFlags: '--test.audit.C'
           - name: 'Cocoapods Suite'
             testFlags: '--test.audit.Cocoapods'
           - name: 'Swift Suite'