Format all tests.

tests/language_strong/private_selector_test.dart

Index: tests/language_strong/private_selector_test.dart
diff --git a/tests/language_strong/private_selector_test.dart b/tests/language_strong/private_selector_test.dart
index 5d00c940eaccebfa7aad3b869e6d1e5f338a1c0a..959cb2ec99f2b32269ed50c1a04b3795b21aec11 100644
--- a/tests/language_strong/private_selector_test.dart
+++ b/tests/language_strong/private_selector_test.dart
@@ -3,11 +3,11 @@
 // BSD-style license that can be found in the LICENSE file.
 
 library private_selector_test;
+
 import "package:expect/expect.dart";
 import 'private_selector_lib.dart';
 
-class B extends A {
-}
+class B extends A {}
 
 main() {
   new A().public();