cypress/fixtures/static/app/another folder/index.html (12 lines of code) (raw):
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>/another folder/index.html</title>
</head>
<body>
HTML in subfolder with percent encodable character - space.
</body>
</html>