Upload 4.7

part4/bloglist/package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "start": "node index.js",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "jest --verbose",
     "dev": "nodemon index.js"
   },
   "author": "",
@@ -14,6 +14,7 @@
     "cors": "^2.8.5",
     "dotenv": "^16.1.1",
     "express": "^4.18.2",
+    "jest": "^29.5.0",
     "mongoose": "^7.2.2"
   },
   "devDependencies": {