Switch to lookup declaration by tag name. This fixes issue 14274.

pkg/polymer/test/noscript_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.
+
+import 'dart:html';
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'package:polymer/polymer.dart';
+import 'package:template_binding/template_binding.dart';
+
+main() {
+  initPolymer();
+  useHtmlConfiguration();
+  templateBind(querySelector("#a")).model = "foo";
+
+  setUp(() => Polymer.onReady);
+
+  test('template found with multiple noscript declarations', () {
+    expect(querySelector('x-a') is PolymerElement, isTrue);
+    expect(querySelector('x-a').shadowRoot.nodes.first.text, 'a');
+
+    expect(querySelector('x-c') is PolymerElement, isTrue);
+    expect(querySelector('x-c').shadowRoot.nodes.first.text, 'c');
+
+    expect(querySelector('x-b') is PolymerElement, isTrue);
+    expect(querySelector('x-b').shadowRoot.nodes.first.text, 'b');
+
+    expect(querySelector('x-d') is PolymerElement, isTrue);
+    expect(querySelector('x-d').shadowRoot.nodes.first.text, 'd');
+  });
+}