Revert "Add test for uninstantiated native classesused as type arguments in checks."

tests/html/check_native_return_type_test.dart

Index: tests/html/check_native_return_type_test.dart
diff --git a/tests/html/check_native_return_type_test.dart b/tests/html/check_native_return_type_test.dart
deleted file mode 100644
index 9c8a763cf13154e592ef88068dbd76ba583e9522..0000000000000000000000000000000000000000
--- a/tests/html/check_native_return_type_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.
-
-// Check that native classes can be used as type arguments in checks.
-
-import '../../pkg/unittest/lib/unittest.dart';
-import '../../pkg/unittest/lib/html_config.dart';
-import 'dart:html';
-
-void main() {
-  useHtmlConfiguration();
-
-  expect(document.queryAll('foo') is List<Node>, isTrue);
-  expect(document.queryAll('foo') is List<int>, isFalse);
-}