Format all tests.

tests/isolate/isolate_complex_messages_test.dart

Index: tests/isolate/isolate_complex_messages_test.dart
diff --git a/tests/isolate/isolate_complex_messages_test.dart b/tests/isolate/isolate_complex_messages_test.dart
index eda4e9081037e2440805fcfba428e8592aa1e54a..0a4155f6f822117d840f108b628ff39694145208 100644
--- a/tests/isolate/isolate_complex_messages_test.dart
+++ b/tests/isolate/isolate_complex_messages_test.dart
@@ -6,6 +6,7 @@
 // complex messages.
 
 library IsolateComplexMessagesTest;
+
 import 'dart:isolate';
 import 'package:unittest/unittest.dart';
 import "remote_unittest_helper.dart";
@@ -15,7 +16,7 @@ void main([args, port]) {
   test("complex messages are serialized correctly", () {
     ReceivePort local = new ReceivePort();
     Isolate.spawn(logMessages, local.sendPort);
-    var done = expectAsync((){});
+    var done = expectAsync(() {});
     local.listen(expectAsync((msg) {
       switch (msg[0]) {
         case "init":
@@ -38,7 +39,6 @@ void main([args, port]) {
   });
 }
 
-
 void logMessages(mainPort) {
   int count = 0;
   ReceivePort port = new ReceivePort();