Dactyloidae/testing/web-platform/tests/conformance-checkers/html-aria/roles-plain-concrete/roles-plain-concrete-complementary.html

<!DOCTYPE html>
<html>
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title>Plain &lt;div&gt; with role "complementary" and no states or properties</title>
   </head>
   <body>
      <div role="complementary" id="test">Placeholder content</div>
   </body>
</html>