test.html

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1">
    <meta http-equiv="content-type" content="text/html; charset=utf-8">
    <title>GeniusBlocker Test Page</title>
  </head>

  <body>
    <h1>Test page</h1>

    <p>This is a test page for testing GeniusBlocker.</p>
    <p>This is a test page for testing GeniusBlocker.</p>
    <p>This is a test page for testing GeniusBlocker.</p>
    <p>This is a test page for testing GeniusBlocker.</p>
    <p>This is a test page for testing GeniusBlocker.</p>
    <p>This is a test page for testing GeniusBlocker.</p>

    <script src="genius-blocker.js"></script>
  </body>
</html>