Fix for the js-interop crash

tests/compiler/dart2js_extra/interop_anonymous_unreachable_test.dart

Index: tests/compiler/dart2js_extra/interop_anonymous_unreachable_test.dart
diff --git a/tests/compiler/dart2js_extra/interop_anonymous_unreachable_test.dart b/tests/compiler/dart2js_extra/interop_anonymous_unreachable_test.dart
deleted file mode 100644
index b734491e654758c1b47b36687133d78bbfb75e97..0000000000000000000000000000000000000000
--- a/tests/compiler/dart2js_extra/interop_anonymous_unreachable_test.dart
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright (c) 2015, Google Inc. 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:js/js.dart';
-
-@JS()
-@anonymous
-class A {
-  external bool get value;
-  external factory A({bool value});
-}
-
-void main() {}