Add test job to GitHub Actions workflow

Author: notatechproblem

.github/workflows/build-test-deploy.yml

@@ -12,3 +12,15 @@ jobs:
           node-version: '20.x'
       - run: npm install
       - run: npm run build
+  test:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout repo
+        uses: actions/checkout@v4
+      - name: Use node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+      - run: npm install
+      - run: npm test