message: get full UnderlineNavLink test coverage
diff: +/* eslint-disable jsx-a11y/anchor-has-content, jsx-a11y/anchor-is-valid */
  import React from 'react'
  -import {ITEM_CLASS} from '../UnderlineNav'
  +import {ITEM_CLASS, SELECTED_CLASS} from '../UnderlineNav'
  import UnderlineNavLink from '../UnderlineNavLink'
  import {render} from '../utils/testing'
  @@ -8,8 +9,12 @@ describe('Caret', () => {
  expect(render(<UnderlineNavLink />).type).toEqual('a')
  })
  - it('renders the given tag prop', () => {
  + it('renders the given "tag" prop', () => {
  const Type = props => <b {...props} />
  expect(render(<UnderlineNavLink tag={Type} />)).toEqual(render(<b className={ITEM_CLASS} />))
  })
  +
  + it('respects the "selected" prop', () => {
  + expect(render(<UnderlineNavLink selected />)).toEqual(render(<a className={`${ITEM_CLASS} ${SELECTED_CLASS}`} />))
  + })
  })
  