Modified unittest to use new argument syntax.

tests/html/inner_frame_test.dart

 #library('InnerFrameTest');
 #import('../../pkg/unittest/unittest.dart');
 #import('../../pkg/unittest/html_config.dart');
 #import('dart:html');
 
 main() {
   if (window != window.top) {
     // Child frame.
 
     // The child's frame should not be able to access its parent's
     // document.
 
     window.on.message.add((Event e) {
       switch (e.data) {
       case 'frameElement': {
         // Check window.frameElement.
         try {
           var parentDocument = window.frameElement.document;
           var div = parentDocument.$dom_createElement("div");
           div.id = "illegalFrameElement";
           parentDocument.body.nodes.add(div);
-          Expect.fail('Should not reach here.');
+          expect(false, isTrue, reason: 'Should not reach here.');
         } on NoSuchMethodError catch (e) {
           // Expected.
           window.top.postMessage('pass_frameElement', '*');
         } catch (e) {
           window.top.postMessage('fail_frameElement', '*');
         }
         return;
       }
       case 'top': {
         // Check window.top.
         try {
           final top = window.top;
           var parentDocument = top.document;
           var div = parentDocument.$dom_createElement("div");
           div.id = "illegalTop";
           parentDocument.body.nodes.add(div);
-          Expect.fail('Should not reach here.');
+          expect(false, isTrue, reason: 'Should not reach here.');
         } on NoSuchMethodError catch (e) {
           // Expected.
           window.top.postMessage('pass_top', '*');
         } catch (e) {
           window.top.postMessage('fail_top', '*');
         }
         return;
       }
       case 'parent': {
         // Check window.parent.
         try {
           final parent = window.parent;
           var parentDocument = parent.document;
           var div = parentDocument.$dom_createElement("div");
           div.id = "illegalParent";
           parentDocument.body.nodes.add(div);
-          Expect.fail('Should not reach here.');
+          expect(false, isTrue, reason: 'Should not reach here.');
         } on NoSuchMethodError catch (e) {
           // Expected.
           window.top.postMessage('pass_parent', '*');
         } catch (e) {
           window.top.postMessage('fail_parent', '*');
         }
         return;
       }
       }
       });
@@ skipping 11 matching lines @@
       document.body.nodes.add(iframe);
     });
 
   final validate = (testName, verify) {
     final expectedVerify = expectAsync0(verify);
     window.on.message.add((e) {
       guardAsync(() {
           if (e.data == 'pass_$testName') {
             expectedVerify();
           }
-          expect(e.data != 'fail_$testName');
+          expect(e.data, isNot(equals('fail_$testName')));
         });
       });
     child.postMessage(testName, '*');
   };
 
   test('frameElement', () {
       validate('frameElement', () {
         var div = document.query('#illegalFrameElement');
 
         // Ensure that this parent frame was not modified by its child.
@@ skipping 12 matching lines @@
 
   test('parent', () {
       validate('parent', () {
         var div = document.query('#illegalParent');
 
         // Ensure that this parent frame was not modified by its child.
         expect(div, isNull);
       });
     });
 }