Modified unittest to use new argument syntax.

tests/html/location_test.dart

Index: tests/html/location_test.dart
===================================================================
--- tests/html/location_test.dart	(revision 14114)
+++ tests/html/location_test.dart	(working copy)
@@ -8,11 +8,11 @@
 
   test('location hash', () {
       final location = window.location;
-      Expect.isTrue(location is Location);
+      expect(location, new isInstanceOf<Location>('Location'));
 
       // The only navigation we dare try is hash.
       location.hash = 'hello';
       var h = location.hash;
-      Expect.equals('#hello', h);
+      expect(h, '#hello');
     });
 }