Add --no-background-compilation to tests that expect to run code in optimized form

tests/lib/typed_data/typed_data_hierarchy_test.dart

 // 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.
-// VMOptions=--optimization-counter-threshold=10
+// VMOptions=--optimization-counter-threshold=10 --no-background-compilation
 
 // Library tag to be able to run in html test framework.
 library typed_data_hierarchy_test;
 
 import 'dart:typed_data';
 import 'package:expect/expect.dart';
 
 var inscrutable = null;
 
 void testClampedList() {
@@ skipping 38 matching lines @@
 main() {
   inscrutable = (x) => x;
 
   // Note: this test must come first to control order of lookup on Uint8List and
   // Uint8ClampedList.
   testClampedList();
 
   implementsTypedData();
   implementsList();
 }