How to set configuration on package.json when run your test code using mocha, JavaScript

It is good to add –timeout –exit options.

{
  "name": "node-base",
  "version": "1.0.0",
  "description": "",
  "main": "./src/index.js",
  "scripts": {
    "test": "mocha ./src/test/*.js --timeout 20000 --exit"
  },
}