Format all tests.

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 172580b6ab99dd147b56e7e82e6dba536a6ebdb1..79cd6dd5a70041fbed6ebbd08a4ecda05b4dc31f 100644
--- a/tests/lib/async/stream_single_test.dart
+++ b/tests/lib/async/stream_single_test.dart
@@ -14,38 +14,56 @@ main() {
   test("single", () {
     StreamController c = new StreamController(sync: true);
     Future f = c.stream.single;
-    f.then(expectAsync((v) { Expect.equals(42, v);}));
+    f.then(expectAsync((v) {
+      Expect.equals(42, v);
+    }));
     new Events.fromIterable([42]).replay(c);
   });
 
   test("single empty", () {
     StreamController c = new StreamController(sync: true);
     Future f = c.stream.single;
-    f.catchError(expectAsync((error) { Expect.isTrue(error is StateError); }));
+    f.catchError(expectAsync((error) {
+      Expect.isTrue(error is StateError);
+    }));
     new Events.fromIterable([]).replay(c);
   });
 
   test("single error", () {
     StreamController c = new StreamController(sync: true);
     Future f = c.stream.single;
-    f.catchError(expectAsync((error) { Expect.equals("error", error); }));
-    Events errorEvents = new Events()..error("error")..close();
+    f.catchError(expectAsync((error) {
+      Expect.equals("error", error);
+    }));
+    Events errorEvents = new Events()
+      ..error("error")
+      ..close();
     errorEvents.replay(c);
   });
 
   test("single error 2", () {
     StreamController c = new StreamController(sync: true);
     Future f = c.stream.single;
-    f.catchError(expectAsync((error) { Expect.equals("error", error); }));
-    Events errorEvents = new Events()..error("error")..error("error2")..close();
+    f.catchError(expectAsync((error) {
+      Expect.equals("error", error);
+    }));
+    Events errorEvents = new Events()
+      ..error("error")
+      ..error("error2")
+      ..close();
     errorEvents.replay(c);
   });
 
   test("single error 3", () {
     StreamController c = new StreamController(sync: true);
     Future f = c.stream.single;
-    f.catchError(expectAsync((error) { Expect.equals("error", error); }));
-    Events errorEvents = new Events()..add(499)..error("error")..close();
+    f.catchError(expectAsync((error) {
+      Expect.equals("error", error);
+    }));
+    Events errorEvents = new Events()
+      ..add(499)
+      ..error("error")
+      ..close();
     errorEvents.replay(c);
   });
 }