Add test build

.github/workflows/test.yml

@@ -0,0 +1,38 @@
+name: Test LDO Packages
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20' # or whatever Node version you use
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build package
+        run: npm run build
+
+      - name: Run tests
+        run: npm test
+
+      - name: Upload test results if available
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results
+          path: |
+            **/junit*.xml
+            **/test-results*.xml
+            **/coverage
+          if-no-files-found: ignore