<!DOCTYPE html>
<html>
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title>&lt;div&gt; with role columnheader; inherited supported state or property "aria-selected"
         value of "false"
      </title>
   </head>
   <body>
      <div role="grid">
        <div role="row">
          <span id="test" role="columnheader" aria-selected="false">Placeholder content</span>
          <span role="columnheader">header 2</span>
          <span role="columnheader">header 3</span>
        </div>
        <div role="row">
          <span role="gridcell" id="obj1">obj1</span>
          <span role="gridcell">obj2</span>
          <span role="gridcell">obj3</span>
        </div>
        <div role="row">
          <span role="gridcell">obj1</span>
          <span role="gridcell">obj2</span>
          <span role="gridcell">obj3</span>
        </div>
        <div role="row">
          <span role="gridcell">obj1</span>
          <span role="gridcell">obj2</span>
          <span role="gridcell">obj3</span>
        </div>
      </div>
   </body>
</html>