Setting up jest and react-testing-library

Copy config files palced in repo in your project's root directory then follow given below steps

1-Dependencies and other config in packge.json file

Add these packges to dependencies sesction in package,json file

"dependencies": {
    "@testing-library/jest-dom": "^5.16.2",
    "@testing-library/react": "^12.1.2",
    "@testing-library/user-event": "^13.5.0",
  }
  
  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  },

**Then Run ** npm install

2-Npm Scripts

Add following comamnds in scripts section of package.json file

    "test": "jest --ci --coverage --coverageDirectory=coverage/jest",
    "test:debug": "jest",
    "test:watch": "jest --watch",

Important scripts versions

Reactjs Environment

    "@types/react": "^17.0.39",
    "react": "^17.0.2",
    "react-scripts": "5.0.0",
    "typescript": "^4.5.5",

Node Environment

nodejs v16.15.0 
npm 8.5.5

Thanks