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

tests/isolate/src/APIv2_spawnUriBrowserNegativeTest.dart

Index: tests/isolate/src/APIv2_spawnUriBrowserNegativeTest.dart
diff --git a/tests/isolate/src/APIv2_spawnUriNegativeTest.dart b/tests/isolate/src/APIv2_spawnUriBrowserNegativeTest.dart
similarity index 75%
rename from tests/isolate/src/APIv2_spawnUriNegativeTest.dart
rename to tests/isolate/src/APIv2_spawnUriBrowserNegativeTest.dart
index 17660b5790e31183cd237592edb231cc6483f023..8966c0aac70592179549db373acc453170abf457 100644
--- a/tests/isolate/src/APIv2_spawnUriNegativeTest.dart
+++ b/tests/isolate/src/APIv2_spawnUriBrowserNegativeTest.dart
@@ -8,15 +8,19 @@
 // OtherScripts=APIv2_spawnUriChildIsolate.dart
 #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');
 
 main() {
-  test('isolate fromUri - negative test', () {
+  useDomConfiguration();
+  asyncTest('isolate fromUri - negative test', 1, () {
     ReceivePort port = new ReceivePort();
-    port.receive(expectAsync2((msg, _) {
+    port.receive((msg, _) {
       expect(msg).equals('re: hello'); // should be hi, not hello
       port.close();
-    }));
+      callbackDone();
+    });
 
     // TODO(eub): make this work for non-JS targets.
     SendPort s = spawnUri('APIv2_spawnUriChildIsolate.js');