Declares the test runner and assertion library as jest

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Sat May 08 2021 17:24:35 GMT+0000 (Coordinated Universal Time)

Saved by @shubham75089 #jest #nodejs #testing

"scripts": {
  "test": "jest",
   "start": "node index.js"
},
"devDependencies": {
  "jest": "^26.6.3"
}
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Configures the test runner and assertion library to be jest