JSFiddle - React, Tailwind, and code Playground

HTML

<script src=" https://cdnjs.cloudflare.com/ajax/libs/chai/3.5.0/chai.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/mocha/2.4.5/mocha.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/mocha/5.0.0/mocha.min.js"></script>
<div id="mocha"></div>
<script>
mocha.setup('bdd');
describe('suite', function () {
  it('should fail only once', function () {
    expect(true).to.be.false;
  });
});
</script>
<script>
	var expect = chai.expect;
	chai.should();
	mocha.run();
</script>