Change singleSubscription/multiSubscription to normal/broadcast.

tests/lib/async/stream_single_test.dart

Index: tests/lib/async/stream_single_test.dart
diff --git a/tests/lib/async/stream_single_test.dart b/tests/lib/async/stream_single_test.dart
index eadce7fc2aa499395123b989d5b4ed9f723aa914..a3348b585ea5c9933df37c01a934b842c80bb5ec 100644
--- a/tests/lib/async/stream_single_test.dart
+++ b/tests/lib/async/stream_single_test.dart
@@ -13,21 +13,21 @@ import 'event_helper.dart';
 main() {
   test("single", () {
     StreamController c = new StreamController();
-    Future f = c.single;
+    Future f = c.stream.single;
     f.then(expectAsync1((v) { Expect.equals(42, v);}));
     new Events.fromIterable([42]).replay(c);
   });
 
   test("single empty", () {
     StreamController c = new StreamController();
-    Future f = c.single;
+    Future f = c.stream.single;
     f.catchError(expectAsync1((e) { Expect.isTrue(e.error is StateError); }));
     new Events.fromIterable([]).replay(c);
   });
 
   test("single error", () {
     StreamController c = new StreamController();
-    Future f = c.single;
+    Future f = c.stream.single;
     f.catchError(expectAsync1((e) { Expect.equals("error", e.error); }));
     Events errorEvents = new Events()..error("error")..close();
     errorEvents.replay(c);
@@ -35,7 +35,7 @@ main() {
 
   test("single error 2", () {
     StreamController c = new StreamController();
-    Future f = c.single;
+    Future f = c.stream.single;
     f.catchError(expectAsync1((e) { Expect.equals("error", e.error); }));
     Events errorEvents = new Events()..error("error")..error("error2")..close();
     errorEvents.replay(c);
@@ -43,7 +43,7 @@ main() {
 
   test("single error 3", () {
     StreamController c = new StreamController();
-    Future f = c.single;
+    Future f = c.stream.single;
     f.catchError(expectAsync1((e) { Expect.equals("error", e.error); }));
     Events errorEvents = new Events()..add(499)..error("error")..close();
     errorEvents.replay(c);