Add 'Server' and 'User-Agent' default header fields.

tests/standalone/http_launch_test.dart

Index: tests/standalone/http_launch_test.dart
diff --git a/tests/standalone/http_launch_test.dart b/tests/standalone/http_launch_test.dart
index 06b647e4f8b1f353b2fc0861c7caa5dfe85a4932..72d3987798ff30c7ebc3a5e4c34c0d52d213168c 100644
--- a/tests/standalone/http_launch_test.dart
+++ b/tests/standalone/http_launch_test.dart
@@ -62,6 +62,8 @@ serverRunning(HttpServer server) {
                                                      http_pkg_root_run,
                                                      isolate_run]);
   results.then((results) {

[Søren Gjesse, 2013/06/11 11:02:00]

Debug code.

[Anders Johnsen, 2013/06/11 11:37:55]

Done.

+      results.forEach((result) => print(result.stdout));
+      results.forEach((result) => print(result.stderr));
     // Close server.
     server.close();
     // Check results.