Format all tests.

tests/language_strong/second_test.dart

Index: tests/language_strong/second_test.dart
diff --git a/tests/language_strong/second_test.dart b/tests/language_strong/second_test.dart
index 5ceb94098e4c70e3c2ff0f75bac84d3e8d592c9b..0cdd2a7604483e02e3909513f972ac347fb68fb4 100644
--- a/tests/language_strong/second_test.dart
+++ b/tests/language_strong/second_test.dart
@@ -6,8 +6,10 @@
 import "package:expect/expect.dart";
 
 class Helper {
-  static empty() { }
-  static int foo() { return 42; }
+  static empty() {}
+  static int foo() {
+    return 42;
+  }
 }
 
 class SecondTest {
@@ -17,7 +19,6 @@ class SecondTest {
   }
 }
 
-
 main() {
   SecondTest.testMain();
 }