third_party/web_platform_tests/conformance-checkers/html-aria/host-language/implicit-semantics-checkbox-disparity-haswarn.html - cobalt - Git at Google

 <!DOCTYPE html>
 <html>
    <head>
       <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
       <title>Native checkbox with aria-checked that conflicts with native checked</title>
    </head>
    <body>
    	<form>
 	   	<input type="checkbox" role="checkbox" checked="checked" aria-checked="false" id="test" value="Placeholder content" />
    	</form>
    </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>Native checkbox with aria-checked that conflicts with native checked</title>
	</head>
	<body>
	<form>
	<input type="checkbox" role="checkbox" checked="checked" aria-checked="false" id="test" value="Placeholder content" />
	</form>
	</body>
	</html>