Format all tests.

tests/corelib/queue_last_test.dart

Index: tests/corelib/queue_last_test.dart
diff --git a/tests/corelib/queue_last_test.dart b/tests/corelib/queue_last_test.dart
index 33613956116b865f0147d58d37f6e4aec43d8dd2..3dbccd2918c4932ef9175465585a07832f357a78 100644
--- a/tests/corelib/queue_last_test.dart
+++ b/tests/corelib/queue_last_test.dart
@@ -3,14 +3,13 @@
 // BSD-style license that can be found in the LICENSE file.
 
 library queue.last.test;
+
 import "package:expect/expect.dart";
 import 'dart:collection' show Queue;
 
 main() {
   Queue<int> queue1 = new Queue<int>();
-  queue1..add(11)
-      ..add(12)
-      ..add(13);
+  queue1..add(11)..add(12)..add(13);
   Queue queue2 = new Queue();
 
   Expect.equals(13, queue1.last);