Migrate test block 8 to Dart 2.0.

tests/corelib_strong/has_next_iterator_test.dart

Index: tests/corelib_strong/has_next_iterator_test.dart
diff --git a/tests/corelib_strong/has_next_iterator_test.dart b/tests/corelib_strong/has_next_iterator_test.dart
deleted file mode 100644
index c3801667b5468bef2ccae12f3d32de1b68fe3014..0000000000000000000000000000000000000000
--- a/tests/corelib_strong/has_next_iterator_test.dart
+++ /dev/null
@@ -1,37 +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 hasNextIterator.test;
-
-import "package:expect/expect.dart";
-import 'dart:collection';
-
-main() {
-  var it = new HasNextIterator([].iterator);
-  Expect.isFalse(it.hasNext);
-  Expect.isFalse(it.hasNext);
-  Expect.throws(() => it.next(), (e) => e is StateError);
-  Expect.isFalse(it.hasNext);
-
-  it = new HasNextIterator([1].iterator);
-  Expect.isTrue(it.hasNext);
-  Expect.isTrue(it.hasNext);
-  Expect.equals(1, it.next());
-  Expect.isFalse(it.hasNext);
-  Expect.isFalse(it.hasNext);
-  Expect.throws(() => it.next(), (e) => e is StateError);
-  Expect.isFalse(it.hasNext);
-
-  it = new HasNextIterator([1, 2].iterator);
-  Expect.isTrue(it.hasNext);
-  Expect.isTrue(it.hasNext);
-  Expect.equals(1, it.next());
-  Expect.isTrue(it.hasNext);
-  Expect.isTrue(it.hasNext);
-  Expect.equals(2, it.next());
-  Expect.isFalse(it.hasNext);
-  Expect.isFalse(it.hasNext);
-  Expect.throws(() => it.next(), (e) => e is StateError);
-  Expect.isFalse(it.hasNext);
-}