var chai = require('chai'),
    expect = chai.expect;

describe('the program', function () {
    it('can handle the truth', function () {
        expect(true).to.equal(true);
    });

});

const {expect} = require('chai');

describe('the program', function () {
    it('can handle the truth', function () {
        expect(true).to.equal(true);
    });

});

Rewrite require to ES6 destructuring
Rewrite require to ES6 destructuring
