message: fix metrics e2e test
diff: -import { describe } from 'mocha'
  -
  /*
  * Copyright (c) 2014-2020 Bjoern Kimminich.
  * SPDX-License-Identifier: MIT
  @@ -7,8 +5,8 @@ import { describe } from 'mocha'
  describe('/metrics/', () => {
  describe('challenge "exposedMetrics"', () => {
  - it('Challenge is solved on accesing the api/metrics route', () => {
  - browser.get('/api/metrics')
  + it('Challenge is solved on accessing the /metrics route', () => {
  + browser.get('/metrics')
  })
  protractor.expect.challengeSolved({ challenge: 'Exposed Metrics' })
  