Migrating a block of dart 1 tests to dart 2

tests/language_strong/closure_internals_test.dart

Index: tests/language_strong/closure_internals_test.dart
diff --git a/tests/language_strong/closure_internals_test.dart b/tests/language_strong/closure_internals_test.dart
deleted file mode 100644
index 587be33970184344841a0c2fa97448ae0605d762..0000000000000000000000000000000000000000
--- a/tests/language_strong/closure_internals_test.dart
+++ /dev/null
@@ -1,16 +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";
-
-class C {
-  foo() => 123;
-}
-
-main() {
-  var f = new C().foo;
-  Expect.throws(() => f.target, (e) => e is NoSuchMethodError);
-  Expect.throws(() => f.self, (e) => e is NoSuchMethodError);
-  Expect.throws(() => f.receiver, (e) => e is NoSuchMethodError);
-}