message: Fix expected error message for order limit
diff: @@ -74,7 +74,7 @@ describe('/api/BasketItems', () => {
  }
  })
  .expect('status', 400)
  - .expect('json', 'error', 'The quantity of this item is limited to 5 per user.')
  + .expect('json', 'error', 'You can order only up to 5 items of this product.')
  })
  })
  