Format all tests.

tests/lib/mirrors/typedef_metadata_test.dart

Index: tests/lib/mirrors/typedef_metadata_test.dart
diff --git a/tests/lib/mirrors/typedef_metadata_test.dart b/tests/lib/mirrors/typedef_metadata_test.dart
index a7cdf9cb5e9df12f9beac44c2cdb9005d7f42cda..e7bf317ee0f7c71400216fd31fcd8ebbfc0644c2 100644
--- a/tests/lib/mirrors/typedef_metadata_test.dart
+++ b/tests/lib/mirrors/typedef_metadata_test.dart
@@ -2,7 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-@string @symbol
+@string
+@symbol
 library test.typedef_metadata_test;
 
 @MirrorsUsed(targets: "test.typedef_metadata_test")
@@ -11,7 +12,9 @@ import 'dart:mirrors';
 import 'metadata_test.dart';
 
 class S {}
+
 class M {}
+
 @symbol
 class MA = S with M;