Modified unittest to use new argument syntax.

tests/html/svg_2_test.dart

Index: tests/html/svg_2_test.dart
===================================================================
--- tests/html/svg_2_test.dart	(revision 14114)
+++ tests/html/svg_2_test.dart	(working copy)
@@ -26,22 +26,28 @@
       var r = document.query('#rect1');
 
       // Direct inheritance chain
-      Expect.isTrue(r is SVGElement);
-      Expect.isTrue(r is Element);
-      Expect.isTrue(r is Node);
+      expect(r, new isInstanceOf<SVGElement>('SVGElement'));
+      expect(r, new isInstanceOf<Element>('Element'));
+      expect(r, new isInstanceOf<Node>('Node'));
 
       // Other implemented interfaces.
-      Expect.isTrue(r is SVGTests);
-      Expect.isTrue(r is SVGLangSpace);
-      Expect.isTrue(r is SVGExternalResourcesRequired);
-      Expect.isTrue(r is SVGStylable);
-      Expect.isTrue(r is SVGTransformable);
-      Expect.isTrue(r is SVGLocatable);
+      expect(r, new isInstanceOf<SVGTests>('SVGTests'));
+      expect(r, new isInstanceOf<SVGLangSpace>('SVGLangSpace'));
+      expect(r, new isInstanceOf<SVGExternalResourcesRequired>(
+          'SVGExternalResourcesRequired'));
+      expect(r, new isInstanceOf<SVGStylable>('SVGStylable'));
+      expect(r, new isInstanceOf<SVGTransformable>('SVGTransformable'));
+      expect(r, new isInstanceOf<SVGLocatable>('SVGLocatable'));
 
       // Interfaces not implemented.
-      Expect.isFalse(r is SVGNumber);
-      Expect.isFalse(r is SVGRect);
-      Expect.isFalse(r is SVGSVGElement);
+      // TODO(gram): use this version when dart2js handles 'is' properly.
+      // expect(r, isNot(new isInstanceOf<SVGNumber>('SVGNumber')));
+      expect(r is! SVGNumber, isTrue);
+      // TODO(gram): use this version when dart2js handles 'is' properly.
+      // expect(r, isNot(new isInstanceOf<SVGRect>('SVGRect')));
+      expect(r is! SVGRect, isTrue);
+      expect(r,
+          isNot(new isInstanceOf<SVGSVGElement>('SVGSVGElement')));
 
       div.remove();
     });