Migrated test block 168 to Dart 2.0.

tests/lib/async/future_or_bad_type_test.dart

Index: tests/lib/async/future_or_bad_type_test.dart
diff --git a/tests/lib/async/future_or_bad_type_test.dart b/tests/lib/async/future_or_bad_type_test.dart
deleted file mode 100644
index eb0933ae544374ebf7d2408e0c7939de677caf63..0000000000000000000000000000000000000000
--- a/tests/lib/async/future_or_bad_type_test.dart
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright (c) 2016, 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.
-
-// In non strong-mode, `FutureOr<T>` is dynamic, even if `T` doesn't exist.
-// `FutureOr<T>` can not be used as superclass, mixin, nor can it be
-// implemented (as interface).
-
-import 'dart:async';
-import 'package:expect/expect.dart';
-
-class A
-    extends FutureOr<String> // //# extends: compile-time error
-    extends Object with FutureOr<bool> // //# with: compile-time error
-    implements FutureOr<int> // //# implements: compile-time error
-{}
-
-main() {
-  // FutureOr<T> should be treated like `dynamic`. Dynamically the `T` is
-  // completely ignored. It can be a malformed type.
-  Expect.isTrue(499 is FutureOr<A>);
-  Expect.isTrue(499 is FutureOr<Does<Not<Exist>>>); // //# 00: static type warning
-  Expect.isTrue(499 is FutureOr<A, A>); //             //# 01: static type warning
-
-  var a = new A();
-  Expect.isTrue(a.toString() is String);
-}