{ ... ... ... "name": "react-app", "version": "0.1.0", "private": true, "dependencies": { "@testing-library/jest-dom": "^4.2.4", "@testing-library/react": "^9.5.0", "@testing-library/user-event": "^7.2.1", "react": "^16.13.1", "react-dom": "^16.13.1", "react-scripts": "3.4.1" }, ... ... ... }