eslint testing plugin

install

npm install eslint-plugin-testing-library eslint-plugin-jest-dom

eslintConfig 삭제

// package.json

  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  }, // 삭제

.eslintrc.json 생성

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

.gitignore

.eslintcache