.mocharc.yml

harmony: true
require: "./test/index.js"
file:
  - "./test/init.js"
recursive: true
timeout: 60000
reporter: "spec"
exit: true

test/init.js

/* global afterEach, beforeEach */

beforeEach(async () => {});

afterEach(async () => {});

test/index.js

module.exports = require("supertest")(require("../app"));

test/blls/user.js

/* global describe, it */
const UserBll = require("server/blls/user");
const { expect } = require("chai");

describe("UserBll.list", function () {
  it("#1 Users List", async () => {
    const res = await UserBll.list(
      {},
      { createdAt: -1 },
      { pageNum: 1, pageLimit: 10 }
    );
    expect(Array.isArray(res)).is.eql(true);
    expect(res.length).is.eq(10);
  });
});

assert vs expect vs should