Stoppp using trippple consonants

tests/html/js_typed_interop_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 @JS()
 library js_typed_interop_test;
 
 import 'dart:html';
 
 import 'package:js/js.dart';
@@ skipping 151 matching lines @@
   // the class.
   external get _a;
 }
 
 @JS()
 external String get JS$JS$hasJsInName;
 
 @JS()
 external int JS$JS$hasJsInNameMethod(int x);
 
-// This is the prefered way to handle static or top level members that start
+// This is the preferred way to handle static or top level members that start
 // with JS$. We verify that JS$JS$ works purely to prevent bugs.
 @JS(r'JS$hasJsInName')
 external String get JS$hasJsInName;
 
 @JS(r'JS$hasJsInNameMethod')
 external int JS$hasJsInNameMethod(int x);
 
 @JS()
 class JS$JS$ClassWithJSInName {
   external JS$JS$ClassWithJSInName(x);
@@ skipping 391 matching lines @@
   group('html', () {
     test('return html type', () {
       expect(getCanvasContext() is CanvasRenderingContext2D, isTrue);
     });
     test('js path contains html types', () {
       expect(propertyOnWindow, equals(42));
       expect(propertyOnDocument, equals(45));
     });
   });
 }