describe(“index.html”, () => {

it("includes 'hello'", () => {
  expect(document.querySelector('body').innerHTML).to.include('hello')
})

it("includes div", () => {
  expect(document.querySelector('body').innerHTML, "no empty div element found within body").to.include('<div></div>')
})

})

describe(“index.js”, () => {

it("exists", () => {
  expect(testVar).to.exist
  expect(testVar).to.deep.equal({}) //without .deep, {} does not equal {}
  expect(testFunc).to.exist
  expect(testFunc()).to.equal('hi')
})

})