double_work/test/server.test.js

const chai = require('chai'); 
const chaiHttp = require('chai-http');
const app = require('../server'); 

chai.use(chaiHttp);
const { expect } = chai; 

describe('Express Server Tests', () => {
    it('should respond with status 200 on the root path', (done) => {
        chai.request(app)
            .get('/')
            .end((err, res) => {
                expect(res).to.have.status(200);
                done();
            });
    });
});