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

tests/isolate/src/Mixed2Test.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.
 
 // Dart test program for testing that heavy and light isolates can be mixed.
 
 #library('Mixed2Test');
 #import("dart:isolate");
-#import('../../../lib/unittest/unittest.dart');
+#import('TestFramework.dart');
 
 // We want to send a message from the main-isolate to a chain of different
 // isolates and then get a reply back.
 // In the following description heavy2 is not used, because it is shut down
 // just after heaving created heavy2.light1,2 and light3.
 // main->
 //   heavy1->heavy1.light1->heavy1.light2->heavy1.light3->
 //   heavy2.light1->heavy2.light2->heavy2.light3->
 //   heavy3->heavy3.pong
 
@@ skipping 80 matching lines @@
     Future<SendPort> pong = new LightPong().spawn();
     this.port.receive((msg, replyTo) {
       pong.then((SendPort pongPort) {
         pongPort.send(msg + 30, replyTo);
         this.port.close();
       });
     });
   }
 }
 
+void test(TestExpectation expect) {
+  Future<SendPort> heavy1 = expect.completes(new HeavyIsolate1().spawn());
+  Future<SendPort> heavy2 = expect.completes(new HeavyIsolate2().spawn());
+  Future<SendPort> heavy3 = expect.completes(new HeavyIsolate3().spawn());
 
-main() {
-  test("heavy and light isolates can be mixed", () {
-    Future<SendPort> heavy1 = new HeavyIsolate1().spawn();
-    Future<SendPort> heavy2 = new HeavyIsolate2().spawn();
-    Future<SendPort> heavy3 = new HeavyIsolate3().spawn();
-
-    heavy2.then(expectAsync1((SendPort heavy2Port) {
-      heavy3.then(expectAsync1((SendPort heavy3Port) {
-        heavy2Port.call(heavy3Port).then(expectAsync1((h2l1Port) {
-          heavy1.then(expectAsync1((SendPort heavy1Port) {
-            heavy1Port.send(h2l1Port, null);
-            // ---------------
-            // Setup complete.
-            // Start the chain-message.
-            heavy1Port.call(1).then(expectAsync1((result) {
-              Expect.equals(6531, result);
-            }));
+  heavy2.then(expect.runs1((SendPort heavy2Port) {
+    heavy3.then(expect.runs1((SendPort heavy3Port) {
+      heavy2Port.call(heavy3Port).then(expect.runs1((h2l1Port) {
+        heavy1.then(expect.runs1((SendPort heavy1Port) {
+          heavy1Port.send(h2l1Port, null);
+          // ---------------
+          // Setup complete.
+          // Start the chain-message.
+          heavy1Port.call(1).then(expect.runs1((result) {
+            Expect.equals(6531, result);
+            expect.succeeded();
           }));
         }));
       }));
     }));
-  });
+  }));
 }
+
+main() {
+  runTests([test]);
+}