Format all tests.

tests/language/savannah_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Dart test using an identity hash.
 
 import "package:expect/expect.dart";
 
 abstract class BigGame {
   String get name;
 }
@@ skipping 18 matching lines @@
     return nextId_++;
   }
 }
 
 // Zebra relies on the system provided identity hash.
 class Zebra implements BigGame {
   final String name;
   Zebra(this.name) {}
 }
 
-
 class SavannahTest {
-
   static void testMain() {
     Map<BigGame, String> savannah = new Map<BigGame, String>();
 
     Giraffe giraffe1 = new Giraffe("Tony");
     Giraffe giraffe2 = new Giraffe("Rose");
     savannah[giraffe1] = giraffe1.name;
     savannah[giraffe2] = giraffe2.name;
     print("giraffe1 hash: ${giraffe1.hashCode}");
     print("giraffe2 hash: ${giraffe2.hashCode}");
 
@@ skipping 15 matching lines @@
 
     count = savannah.length;
     print("getCount is $count");
     Expect.equals(4, count);
 
     print("zebra1: ${savannah[zebra1]}");
     print("zebra2: ${savannah[zebra2]}");
     Expect.equals("Paolo", savannah[zebra1]);
     Expect.equals("Zeeta", savannah[zebra2]);
   }
-
 }
 
 main() {
   SavannahTest.testMain();
 }