Move react-testing-library dependency. Update README

react-testing-library has been deprecated in favour of
@testing-library/react
Relevant issue: testing-library/dom-testing-library#260

Author: kaykayehnn

README.md

@@ -12,7 +12,7 @@
 - Webpack
 - SASS & CSS Modules
 - Service Worker support
-- Jest & React-Testing-Library
+- Jest & react-testing-library
 - Hot Module Replacement
 - ESLint & Prettier
 - Redux DevTools via Chrome extension

config/jest.config.js

@@ -119,7 +119,7 @@ module.exports = {
 
   // The path to a module that runs some code to configure or set up the testing framework before each test
   setupFilesAfterEnv: [
-    'react-testing-library/cleanup-after-each',
+    '@testing-library/react/cleanup-after-each',
     'jest-dom/extend-expect',
   ],
 

package-lock.json

@@ -43,6 +43,7 @@
     "@babel/preset-react": "^7.0.0",
     "@babel/preset-typescript": "^7.3.3",
     "@svgr/webpack": "^4.2.0",
+    "@testing-library/react": "^8.0.1",
     "@types/jest": "^24.0.11",
     "@types/react": "^16.8.13",
     "@types/react-dom": "^16.8.4",
@@ -85,7 +86,6 @@
     "postcss-normalize": "^7.0.1",
     "prettier": "^1.17.0",
     "react-dev-utils": "^9.0.0",
-    "react-testing-library": "^7.0.0",
     "sass-loader": "^7.1.0",
     "style-loader": "^0.23.1",
     "typescript": "^3.4.3",