fix(ci): Update Node.js to v16 and fix Jest command

Author: subha0319

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '14'
+          node-version: '16'
           cache: 'npm'
           cache-dependency-path: frontend/package-lock.json
 
@@ -49,4 +49,4 @@ jobs:
         run: |
           cd frontend
           npm install
-          npm test
+          npm test -- --watchAll=false