Format all tests.

tests/language_strong/extends_test.dart

Index: tests/language_strong/extends_test.dart
diff --git a/tests/language_strong/extends_test.dart b/tests/language_strong/extends_test.dart
index 35cbb2e6435a0b8ba00acdf5af0fa79b5190e4b5..44c1c1895dd105abb8fa50d0edc4d484910069c4 100644
--- a/tests/language_strong/extends_test.dart
+++ b/tests/language_strong/extends_test.dart
@@ -3,13 +3,13 @@
 // BSD-style license that can be found in the LICENSE file.
 
 library ExtendsTestMain;
+
 import "extends_test_lib.dart";
 import "package:expect/expect.dart";
 
 // S should extend class A from below, not the one imported
 // from the library.
-class S extends A {
-}
+class S extends A {}
 
 class A {
   var y = "class A from main script";
@@ -19,4 +19,3 @@ main() {
   var s = new S();
   Expect.equals("class A from main script", s.y);
 }
-