Modified unittest to use new argument syntax.

tests/html/typing_test.dart

 #library('TypingTest');
 #import('../../pkg/unittest/unittest.dart');
 #import('../../pkg/unittest/html_config.dart');
 #import('dart:html');
 
 main() {
   useHtmlConfiguration();
 
+  var isStyleSheetList =
+      predicate((x) => x is List<StyleSheet>, 'is a List<StyleSheet>');
+
   test('NodeList', () {
     List<Node> asList = window.document.queryAll('body');
     // Check it's Iterable
     int counter = 0;
     for (Node node in window.document.queryAll('body')) {
       counter++;
     }
-    Expect.equals(1, counter);
+    expect(counter, 1);
     counter = 0;
     window.document.queryAll('body').forEach((e) { counter++; });
-    Expect.equals(1, counter);
+    expect(counter, 1);
   });
 
   test('StyleSheetList', () {
     List<StyleSheet> asList = window.document.styleSheets;
-    expect(asList is List<StyleSheet>);
+    expect(asList, isStyleSheetList);
     // Check it's Iterable.
     int counter = 0;
     for (StyleSheet styleSheet in window.document.styleSheets) {
       counter++;
     }
 
     // There is one style sheet from the unittest framework.
-    Expect.equals(1, counter);
+    expect(counter, 1);
   });
 }