install

npm i eslint-plugin-testing-library eslint-plugin-jest-dom -D

config

.eslingrc.json

{
  "plugins": [
    "testing-library",
    "jest-dom"
  ],
  "extends": [
    "react—app",
    "react-app/jest",
    "plugin:testing-library/react",
    "plugin:jest-dom/recomnended"
  ]
}

Mock Service Worker

npm i msw