Test runners

test-runners.js

// Jest
describe("Sum numbers", () => {
  test("it should sum two numbers correctly", () => {
    expect(1 + 2).toEqual(3);
  });
});

// Jasmine
describe("Sum numbers", function () {
  it("should sum two numbers correctly", function () {
    expect(1 + 2).toEqual(3);
  });
});

// Mocha
const { expect } = require("chai");
describe("Sum numbers", () => {
  it("should add two numbers correctly", () => {
    expect(1 + 2).to.equal(3);
  });
});