Added test NPM script

package.json

@@ -8,6 +8,7 @@
         "server": "nodemon server.js",
         "testClient": "playwright test",
         "testServer": "node --experimental-vm-modules node_modules/jest/bin/jest.js --setupFiles 'dotenv/config'",
+        "test": "npm run testClient && npm run testServer",
         "dev": "concurrently --kill-others \"npm run server\" \"npm run client\""
     },
     "repository": {