test/test_pages/post_file_upload.html

<!doctype html>
<html>
  <head>
    <script type="text/javascript" src="shared/utils.js"></script>
    <title>File upload form test page</title>
    <script type="application/javascript">
	  function start_test() {
	    var form = document.getElementById("file_upload_form");
	    form.submit();
	  }
  	</script>
  </head>
  <body onload="setTimeout(start_test, 3000)"> <!-- Wait 3 seconds for selenium to fill in the file inputs -->
    <p>Submit a form with the given encoding type in the URL params.</p>
    <!-- start_test will the "enc_type" attribute to the form -->
    <form id= "file_upload_form" action="" method="post" enctype="multipart/form-data">
      <input type="text" id="username" name="username" value="name surname+" /><br />
      <input type="file" id="upload-css" name="upload-css" /><br />
      <input type="file" id="upload-img" name="upload-img" /><br />
      <input type="submit" value="Submit" />
	</form>
  </body>
</html>