How test email of subscriptions
<?php
//test email renew_reminder
add_action( 'init', 'ywsbs_sendemail');
function ywsbs_sendemail(){
if( class_exists( 'YWSBS_Subscription') ) {
$subscription = new YWSBS_Subscription( 361 );
do_action( 'ywsbs_customer_subscription_renew_reminder_mail', $subscription );
}
}