Input invalid with description mock data
label:
$tpl: elements/form-element/label
$ref: elements/form-element/label
for: form-element-input4
children:
$tpl: elements/form-element/input
$ref: elements/form-element/input#invalid
id: form-element-input4
errors: <p>This is an error message.</p>
description: This is a description.