diff --git a/shadow-dom/shadow-trees/hosting-multiple-shadow-trees-003-ref.html b/shadow-dom/shadow-trees/hosting-multiple-shadow-trees-003-ref.html
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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>Shadow DOM - The shadow should insert original tree's node if no older shadow tree exists.</title>
+    <link rel="author" title="Hiroyuki Hayashi" href="mailto:hyshhryk@gmail.com">
+  </head>
+  <body>
+    <div>
+      <p>Younger tree's node</p>
+      <p>Older tree's node</p>
+      <p>Original tree's node</p>
+    </div>
+  </body>
+</html>
diff --git a/shadow-dom/shadow-trees/hosting-multiple-shadow-trees-003.html b/shadow-dom/shadow-trees/hosting-multiple-shadow-trees-003.html
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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>Shadow DOM Test - Tests shadow should insert original tree's node if no older shadow tree exists.</title>
+    <link rel="reference" href="hosting-multiple-shadow-trees-003-ref.html">
+    <link rel="author" title="Hiroyuki Hayashi" href="mailto:hyshhryk@gmail.com">
+    <link rel="help" href="http://www.w3.org/TR/shadow-dom/#multiple-shadow-trees">
+    <script src="../testcommon.js"></script>
+    <meta name="assert" content="The <shadow> should insert original tree's node if no older shadow tree exists.">
+  </head>
+  <body>
+    <div id='host'>
+      <p>Original tree's node</p>
+    </div>
+  <script>
+    var shadowRoot = createSR(host);
+    shadowRoot.innerHTML = "<div><p>Older tree's node</p><shadow></shadow></div>";
+    var shadowRoot = createSR(host);
+    shadowRoot.innerHTML = "<div><p>Younger tree's node</p><shadow></shadow></div>";
+  </script>
+  </body>
+</html>
