Fix stream_controller_test failure.

tests/lib/async/stream_controller_test.dart

Index: tests/lib/async/stream_controller_test.dart
diff --git a/tests/lib/async/stream_controller_test.dart b/tests/lib/async/stream_controller_test.dart
index 4778ecc50b7194a30432d78ae79e059556b520c5..d16a4289f83d8f06c4b20f96d26df5ded3b322c8 100644
--- a/tests/lib/async/stream_controller_test.dart
+++ b/tests/lib/async/stream_controller_test.dart
@@ -98,8 +98,11 @@ testMultiController() {
           handleData: (v, s) { s.addError(new AsyncError(v)); },
           handleError: (e, s) { s.add(e.error); },
           handleDone: (s) {
+
             s.add("foo");
+
             s.close();
+
           })));
   sentEvents.replay(c);
   Expect.listEquals(expectedEvents.events, actualEvents.events);
@@ -373,6 +376,7 @@ testExtraMethods() {
   sentEvents.replay(c);
   Expect.listEquals(expectedEvents.events, actualEvents.events);
 
+
   c = new StreamController();
   sentEvents = new Events()
       ..add(1)..add(1)..add(2)..add(1)..add(2)..add(2)..add(2)..close();
@@ -382,6 +386,7 @@ testExtraMethods() {
   sentEvents.replay(c);
   Expect.listEquals(expectedEvents.events, actualEvents.events);
 
+
   c = new StreamController();
   sentEvents = new Events()
       ..add(5)..add(6)..add(4)..add(6)..add(8)..add(3)..add(4)..add(1)..close();