Format all tests.

tests/corelib_strong/strings_test.dart

Index: tests/corelib_strong/strings_test.dart
diff --git a/tests/corelib_strong/strings_test.dart b/tests/corelib_strong/strings_test.dart
index 11490d2623d9dd4954474ee5b5243b0ce9f0cb4c..9603b17da5cb753d8ab84fb22909aae01bd5befb 100644
--- a/tests/corelib_strong/strings_test.dart
+++ b/tests/corelib_strong/strings_test.dart
@@ -7,12 +7,12 @@ import "package:expect/expect.dart";
 // Dart test program for testing class 'Strings'.
 
 class StringsTest {
-
   StringsTest() {}
 
   toString() {
     return "Strings Tester";
   }
+
   static testCreation() {
     String s = "Hello";
     List<int> l = new List(s.length);
@@ -28,7 +28,6 @@ class StringsTest {
   }
 }
 
-
 main() {
   StringsTest.testMain();
 }