Migrated test block 17 to Dart 2.0.

tests/corelib_strong/queue_single_test.dart

Index: tests/corelib_strong/queue_single_test.dart
diff --git a/tests/corelib_strong/queue_single_test.dart b/tests/corelib_strong/queue_single_test.dart
deleted file mode 100644
index 53893958efca21152f625d293844fc30fc160ac5..0000000000000000000000000000000000000000
--- a/tests/corelib_strong/queue_single_test.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) 2012, 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.
-
-library queue.single.test;
-
-import "package:expect/expect.dart";
-import 'dart:collection' show Queue;
-
-main() {
-  Queue<int> queue1 = new Queue<int>();
-  queue1.add(42);
-  Queue queue2 = new Queue();
-  queue2..add(11)..add(12)..add(13);
-  Queue queue3 = new Queue();
-
-  Expect.equals(42, queue1.single);
-  Expect.throws(() => queue2.single, (e) => e is StateError);
-  Expect.throws(() => queue3.single, (e) => e is StateError);
-}