message: Improve type safety
diff: @@ -55,13 +55,13 @@ describe('/rest/products/reviews', () => {
  updated: Joi.array()
  }
  - let reviewId
  + let reviewId: string
  beforeAll((done) => {
  http.get(`${REST_URL}/products/1/reviews`, (res) => {
  let body = ''
  - res.on('data', chunk => {
  + res.on('data', (chunk: string) => {
  body += chunk
  })
  @@ -119,7 +119,7 @@ describe('/rest/products/reviews', () => {
  it('PATCH multiple product review via injection', () => {
  // Count all the reviews. (Count starts at one because of the review inserted by the other tests...)
  - const totalReviews = config.get('products').reduce((sum, { reviews = [] }) => sum + reviews.length, 1)
  + const totalReviews = config.get('products').reduce((sum: number, { reviews = [] }: any) => sum + reviews.length, 1)
  return frisby.patch(`${REST_URL}/products/reviews`, {
  headers: authHeader,
  