I fixed a bug where using the test SHA256 field would cause an error in the gateway. This was due to a slip on my part where I forgot to modify a part of the code. Real orders were not affected by this issue.
Si no lo tienes instalado, puedes descargarlo desde WordPress.org, y te recomiendo que mires la página de las diferencias entre el plugin gratuito de Redsys, de WordPress.org y el plugin premium de WooCommerce.com, seguramente te sorprenderá.
