update workflow file

.github/workflows/node.js.yml

@@ -29,3 +29,21 @@ jobs:
       - name: analyze in the lambda folder
         working-directory: lambda
         run: npm ci && npm run linter
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Run unit tests
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{env.NODE_VERSION}}
+          cache: "npm"
+          cache-dependency-path: |
+            catalog/package-lock.json
+            lambda/package-lock.json
+      - name: run testing in the catalog folder
+        working-directory: catalog
+        run: npm ci && npm run test
+      - name: run testing in the lambda folder
+        working-directory: lambda
+        run: npm ci && npm run test