anchor.diff:        });
       });
   
  -    group('focused styling (integration test)', () {
  -      test('underline is colored when input is focused', () {
  +    group('focused styling (integration test)', ()  {
  +      test('underline is colored when input is focused', () async {
           var input = fixture('basic');
           var container = Polymer
               .dom(input.jsElement['root'])
  
positive.code: @TestOn('browser')
  library polymer_elements.test.paper_input_test;
  
  import 'dart:html';
  import 'package:polymer/polymer.dart';
  import 'package:test/test.dart';
  
negative.code:       });
        test('has aria-describedby for character counter and error', () {
          PaperInput input = fixture('required-char-counter');
          forceXIfStamp(input);
          expect(input.attributes.containsKey('aria-describedby'), isTrue);
          expect(input.attributes['aria-describedby'], equals(
  