Reenable event path test

pkg/polymer/test/event_path_test.dart

Index: pkg/polymer/test/event_path_test.dart
diff --git a/pkg/polymer/test/event_path_test.dart b/pkg/polymer/test/event_path_test.dart
index 86978eb7b991ba512c4335b164071225a6593633..121b346788535065ad34f5db76971f74ebd24501 100644
--- a/pkg/polymer/test/event_path_test.dart
+++ b/pkg/polymer/test/event_path_test.dart
@@ -9,27 +9,31 @@ import 'package:polymer/polymer.dart';
 import 'package:unittest/html_config.dart';
 import 'package:unittest/unittest.dart';
 
-@CustomTag("x-selector")
 class XSelector extends PolymerElement {
   XSelector.created() : super.created();
 }
 
-@CustomTag("x-overlay")
 class XOverlay extends PolymerElement {
   XOverlay.created() : super.created();
 }
 
-@CustomTag("x-menu")
 class XMenu extends PolymerElement {
   XMenu.created() : super.created();
 }
 
-@CustomTag("x-menu-button")
 class XMenuButton extends PolymerElement {
   XMenuButton.created() : super.created();
 }
 
 main() {
+  // TODO(sigmund): use @CustomTag instead of Polymer.regsiter. A bug is making
+  // this code sensitive to the order in which we register elements (e.g. if
+  // x-menu is registered before x-selector). See dartbug.com/17926.
+  Polymer.register('x-selector', XSelector);
+  Polymer.register('x-overlay', XOverlay);
+  Polymer.register('x-menu', XMenu);
+  Polymer.register('x-menu-button', XMenuButton);
+
   initPolymer();
   useHtmlConfiguration();