کسی هست که دوره Unit Test در جاوااسکریپت رو گذرونده باشه

کد

let chai = require("chai")
let should = chai.should();
let chaiHttp = require("chai-http")
let server = require("../server")

chai.use(chaiHttp)

متن ارور

 Exception during run: TypeError: fn is not a function
    at Module.use (file:///C:/Users/Nima/Desktop/mocha/node_modules/chai/index.js:4156:5)
    at Object.<anonymous> (C:\Users\Nima\Desktop\mocha\test\api.user.test.js:6:6)