mocha-setup.js
(function () {
const chai = require('chai');
chai.should();
global.expect = chai.expect;
global.assert = chai.assert;
const td = require('testdouble');
const quibble = require('quibble');
global.td = td;
beforeEach(() => {
td.reset();
quibble.ignoreCallsFromThisFile(require.main.filename);
});
})();