message: update StateLable tests
diff: @@ -2,12 +2,23 @@ import React from 'react'
  import StateLabel from '../StateLabel'
  import {render} from '../utils/testing'
  import {COMMON} from '../constants'
  +import {render as HTMLRender, cleanup} from "@testing-library/react";
  +import {axe, toHaveNoViolations} from 'jest-axe'
  +import 'babel-polyfill'
  +expect.extend(toHaveNoViolations)
  describe('StateLabel', () => {
  it('implements common system props', () => {
  expect(StateLabel).toImplementSystemProps(COMMON)
  })
  + it('should have no axe violations', async () => {
  + const {container} = HTMLRender(<StateLabel status="issueOpened" />)
  + const results = await axe(container)
  + expect(results).toHaveNoViolations()
  + cleanup()
  + })
  +
  it('respects the status prop', () => {
  expect(render(<StateLabel status="issueOpened" />)).toMatchSnapshot()
  expect(render(<StateLabel status="issueClosed" />)).toMatchSnapshot()
  