add node.js install step to setup job

.github/workflows/tests.yml

@@ -27,6 +27,10 @@ jobs:
       - name: Checkout Git repository
         id: checkout
         uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
       - name: Cache Node modules
         id: cache
         uses: actions/cache@v3