run test in github actions

.github/workflows/build.yml

@@ -53,7 +53,26 @@ jobs:
         working-directory: src/Backend
         run: dotnet restore DiunaBI.sln
 
+      - name: Run Tests
+        working-directory: src/Backend
+        run: |
+          dotnet test DiunaBI.Tests/DiunaBI.Tests.csproj \
+            --configuration Release \
+            --no-restore \
+            --logger "trx;LogFileName=test-results.trx" \
+            --collect:"XPlat Code Coverage"
+
+      - name: Publish Test Results
+        uses: actions/upload-artifact@v4
+        if: success() || failure()
+        with:
+          name: test-results
+          path: |
+            src/Backend/DiunaBI.Tests/TestResults/*.trx
+            src/Backend/DiunaBI.Tests/TestResults/**/coverage.cobertura.xml
+
       - name: Build solution
+        if: success()   
         working-directory: src/Backend
         run: dotnet build DiunaBI.sln --configuration Release --no-restore