HTTP loading tests and package root support

tests/standalone/http_launch_data/http_launch_main.dart

Index: tests/standalone/http_launch_data/http_launch_main.dart
diff --git a/tests/language/part_test.dart b/tests/standalone/http_launch_data/http_launch_main.dart
similarity index 71%
copy from tests/language/part_test.dart
copy to tests/standalone/http_launch_data/http_launch_main.dart
index 740e17c6ad6aac435d841412e1d7f3c4a198e82f..57b9de3033245a38860bfd78d4f11dac5d8c9ccc 100644
--- a/tests/language/part_test.dart
+++ b/tests/standalone/http_launch_data/http_launch_main.dart
@@ -2,12 +2,12 @@
 // 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.
 
-// @static-clean
 
-library org.dartlang.test.part_test;
+library http_lanuch_main;
 
-part "part_part.dart";
+import 'package:simple/simple.dart';
 
 main() {
-  print(foo);
+  print(getSimpleString());
 }
+