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

tests/isolate/src/APIv2_spawnFunctionTest.dart

Index: tests/isolate/src/APIv2_spawnFunctionTest.dart
diff --git a/tests/isolate/src/APIv2_spawnBrowserTest.dart b/tests/isolate/src/APIv2_spawnFunctionTest.dart
similarity index 71%
rename from tests/isolate/src/APIv2_spawnBrowserTest.dart
rename to tests/isolate/src/APIv2_spawnFunctionTest.dart
index 47823d3a464cc940ff0cc74dfc5324a99f9fd484..ad7bd57ea8e0cf4e338a37c18c386e7078e073ec 100644
--- a/tests/isolate/src/APIv2_spawnBrowserTest.dart
+++ b/tests/isolate/src/APIv2_spawnFunctionTest.dart
@@ -4,23 +4,19 @@
 
 // Example of spawning an isolate from a function.
 #library('spawn_tests');
-#import('../../../lib/unittest/unittest.dart');
-#import('../../../lib/unittest/dom_config.dart');
-#import('dart:dom'); // import added so test.dart can treat this as a webtest.
 #import('dart:isolate');
+#import('../../../lib/unittest/unittest.dart');
 
 child() {
   port.receive((msg, reply) => reply.send('re: $msg'));
 }
 
 main() {
-  useDomConfiguration();
-  asyncTest('message - reply chain', 1, () {
+  test('message - reply chain', () {
     ReceivePort port = new ReceivePort();
-    port.receive((msg, _) {
-      expect(msg).equals('re: hi');
+    port.receive(expectAsync(msg, _) {
       port.close();
-      callbackDone();
+      expect(msg).equals('re: hi');
     });
 
     SendPort s = spawnFunction(child);