sqm-dashboards/spec/javascript/hello_jest.spec.js

import Jester from "jester"

describe('this test should pass', () => {
  test('very first test', () => {
    expect(true).toBe(true)
  })

  test('Jester.hello returns greeting', () =>{
    const jester = new Jester()
    expect(jester.hello()).toBe("Hello")
  })
  test('fail', () => {
    expect(false).toBe(true)
  })
})