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diff --git a/testing/web-platform/tests/page-visibility/test_attributes_exist.html b/testing/web-platform/tests/page-visibility/test_attributes_exist.html
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+++ b/testing/web-platform/tests/page-visibility/test_attributes_exist.html
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+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+        <title>Page Visibility API Definition</title>
+
+        <script type="text/javascript" src="/resources/testharness.js"></script>
+        <script src="/resources/testharnessreport.js"></script>
+        <script type="text/javascript" src="resources/pagevistestharness.js"></script>
+    </head>
+    <body>
+        <h1>Description</h1>
+        <p>This test validates that all of the attributes associated with the Page Visibility feature exist
+           (but does not validate that their values are correct).</p>
+
+        <div id="log"></div>
+
+        <script type="text/javascript" >
+            test_feature_exists();
+        </script>
+    </body>
+</html>