Format all tests.

tests/language_strong/top_level_getter_arrow_syntax_test.dart

Index: tests/language_strong/top_level_getter_arrow_syntax_test.dart
diff --git a/tests/language_strong/top_level_getter_arrow_syntax_test.dart b/tests/language_strong/top_level_getter_arrow_syntax_test.dart
index 990c0adbb091fc0628913dbab96d6c033be9d9d5..f564a31410e8b66258aff4ac3e2f042a39749aca 100644
--- a/tests/language_strong/top_level_getter_arrow_syntax_test.dart
+++ b/tests/language_strong/top_level_getter_arrow_syntax_test.dart
@@ -8,7 +8,9 @@ get getter => 42;
 
 List<int> get lgetter => null;
 
-bool get two_wrongs { return !true; }
+bool get two_wrongs {
+  return !true;
+}
 
 main() {
   Expect.equals(42, getter);