Modified unittest to use new argument syntax.

pkg/unittest/test/unittest_test.dart

 // Copyright (c) 2012, 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.
 
 // TODO(gram):
 // Unfortunately I can't seem to test anything that involves timeouts, e.g.
 // insufficient callbacks, because the timeout is controlled externally
 // (test.dart?), and we would need to use a shorter timeout for the inner tests
 // so the outer timeout doesn't fire. So I removed all such tests.
 // I'd like to revisit this at some point.
@@ skipping 115 matching lines @@
       });
     } else if (testName == 'async exception test') {
       test(testName, () {
         expectAsync0(() {});
         _defer(() => guardAsync(() { throw "error!"; }));
       });
     } else if (testName == 'late exception test') {
       test('testOne', () {
         var f = expectAsync0(() {});
         _defer(protectAsync0(() {
-          _defer(protectAsync0(() => expect(false)));
-          expect(false);
+          _defer(protectAsync0(() => expect(false, isTrue)));
+          expect(false, isTrue);
         }));
       });
       test('testTwo', () {
         _defer(expectAsync0(() {}));
       });
     } else if (testName == 'middle exception test') {
       test('testOne', () { expect(true, isTrue); });
       test('testTwo', () { expect(true, isFalse); });
       test('testThree', () {
         var done = expectAsync0((){});
@@ skipping 55 matching lines @@
     buildStatusString(0, 1, 0, tests[10], message: 'Caught error!'),
     buildStatusString(1, 0, 1, 'testOne', message: 'Callback called after already being marked as done (1).:testTwo:'),
     buildStatusString(2, 1, 0, 'testOne::testTwo:Expected: false but: was <true>.:testThree')
   ];
 
   actual = [];
 
   nextTest(0);
 }