Migrate block 115.

tests/language_strong/hash_map_null_key_foreach_test.dart

Index: tests/language_strong/hash_map_null_key_foreach_test.dart
diff --git a/tests/language_strong/hash_map_null_key_foreach_test.dart b/tests/language_strong/hash_map_null_key_foreach_test.dart
deleted file mode 100644
index 4e566fb4adf4d2e796c1a3cf18b0003dce764933..0000000000000000000000000000000000000000
--- a/tests/language_strong/hash_map_null_key_foreach_test.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) 2013, 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.
-
-import "package:expect/expect.dart";
-
-// Regression test for using `null` as a key with `forEach`.
-
-main() {
-  var x = new Map<int, int>();
-  x[1] = 2;
-  x[null] = 1;
-  int c = 0;
-  x.forEach((int i, int j) {
-    c++;
-    Expect.isTrue(i == null || i is int, 'int or null expected');
-  });
-  Expect.equals(2, c);
-}