Revert "unittest step 3 and 4: remove TestFramework.dart, make test.dart use"

tests/isolate/src/MandelIsolateTest.dart

 // Copyright (c) 2011, 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.
 
 #library('MandelIsolateTest');
 #import('dart:isolate');
-#import('../../../lib/unittest/unittest.dart');
+#import('TestFramework.dart');
 
 final TERMINATION_MESSAGE = -1;
 final N = 100;
 final ISOLATES = 20;
 
-main() {
-  test("Render Mandelbrot in parallel", () {
-    final state = new MandelbrotState();
-    state._validated.future.then(expectAsync1((result) {
-      expect(result).isTrue();
-    }));
-    for (int i = 0; i < Math.min(ISOLATES, N); i++) state.startClient(i);
+void test(TestExpectation expect) {
+  final state = new MandelbrotState();
+  expect.completes(state._validated.future).then((result) {
+    Expect.isTrue(result);
+    expect.succeeded();
   });
+  for (int i = 0; i < Math.min(ISOLATES, N); i++) state.startClient(i);
 }
 
 
 class MandelbrotState {
 
   MandelbrotState() {
     _result = new List<List<int>>(N);
     _lineProcessedBy = new List<LineProcessorClient>(N);
     _sent = 0;
     _missing = N;
@@ skipping 111 matching lines @@
         Zrv = Trv - Tiv + Crv;
 
         Trv = Zrv * Zrv;
         Tiv = Ziv * Ziv;
       } while (((Trv + Tiv) <= 4.0) && (--i > 0));
 
       result[x] = i;
     }
     return result;
   }
+
 }
+
+main() {
+  runTests([test]);
+}