Modified unittest to use new argument syntax.

tests/html/element_constructor_1_test.dart

 // Copyright (c) 2011, 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.
 
 // Put universally passing event constructors in this file.
 // Move constructors that fail on some configuration to their own
 // element_constructor_foo_test.dart file.
 
 #library('ElementConstructorTest');
 #import('../../pkg/unittest/unittest.dart');
 #import('../../pkg/unittest/html_config.dart');
 #import('dart:html');
 
 main() {
   useHtmlConfiguration();
 
+  var isAnchorElement = new isInstanceOf<AnchorElement>('AnchorElement');
+  var isAreaElement = new isInstanceOf<AreaElement>('AreaElement');
+  var isDivElement = new isInstanceOf<DivElement>('DivElement');
+  var isCanvasElement = new isInstanceOf<CanvasElement>('CanvasElement');
+  var isParagraphElement =
+      new isInstanceOf<ParagraphElement>('ParagraphElement');
+  var isSpanElement = new isInstanceOf<SpanElement>('SpanElement');
+  var isSelectElement = new isInstanceOf<SelectElement>('SelectElement');
+
   test('anchor1', () {
       var e = new AnchorElement();
-      Expect.isTrue(e is AnchorElement);
+      expect(e, isAnchorElement);
     });
 
   test('anchor2', () {
       var e = new AnchorElement(href: '#blah');
-      Expect.isTrue(e is AnchorElement);
-      Expect.isTrue(e.href.endsWith('#blah'));
+      expect(e, isAnchorElement);
+      expect(e.href, endsWith('#blah'));
     });
 
   test('area', () {
       var e = new AreaElement();
-      Expect.isTrue(e is AreaElement);
+      expect(e, isAreaElement);
     });
 
   // AudioElement tested in audioelement_test.dart
 
   test('div', () {
       var e = new DivElement();
-      Expect.isTrue(e is DivElement);
+      expect(e, isDivElement);
     });
 
   test('canvas1', () {
       var e = new CanvasElement();
-      Expect.isTrue(e is CanvasElement);
+      expect(e, isCanvasElement);
     });
 
   test('canvas2', () {
       var e = new CanvasElement(height: 100, width: 200);
-      Expect.isTrue(e is CanvasElement);
-      Expect.equals(200, e.width);
-      Expect.equals(100, e.height);
+      expect(e, isCanvasElement);
+      expect(e.width, 200);
+      expect(e.height, 100);
     });
 
   test('p', () {
       var e = new ParagraphElement();
-      Expect.isTrue(e is ParagraphElement);
+      expect(e, isParagraphElement);
     });
 
   test('span', () {
       var e = new SpanElement();
-      Expect.isTrue(e is SpanElement);
+      expect(e, isSpanElement);
     });
 
   test('select', () {
       var e = new SelectElement();
-      Expect.isTrue(e is SelectElement);
+      expect(e, isSelectElement);
     });
 }