Simplify test script

Author: Andarist

test/react/0.14/package-lock.json

@@ -2,13 +2,9 @@
   "private": true,
   "devDependencies": {
     "create-react-class": "^15.6.3",
-    "jest": "^23.4.2",
     "react": "^0.14.9",
     "react-dom": "^0.14.8"
   },
-  "scripts": {
-    "test": "jest"
-  },
   "dependencies": {
     "jest-dom": "^1.12.0",
     "react-testing-library": "^5.0.0"