message: add ButtonOutline test
diff: @@ -2,6 +2,7 @@ import React from 'react'
  import Button from '../Button'
  import ButtonDanger from '../ButtonDanger'
  import ButtonLink from '../ButtonLink'
  +import ButtonOutline from '../ButtonOutline'
  import {render} from '../utils/testing'
  function noop() {}
  @@ -80,3 +81,10 @@ describe('ButtonLink', () => {
  .toEqual(render(<button className='btn-link' type='button' />))
  })
  })
  +
  +describe('ButtonOutline', () => {
  + it('renders a <button> by default', () => {
  + expect(render(<ButtonOutline />))
  + .toEqual(render(<button className='btn btn-outline' type='button' />))
  + })
  +})
  