Allows one to mash the WP Crontrol 'Run now' link with abandon.

trick-auto-update.php

/**
 * Trick `WP_Automatic_Updater` into thinking there is no existing lock.
 *
 * By default, the auto-updater will only run once every hour even if
 * the cron job is manually fired.  That makes it hard to run multiple tests
 * in a short period of time.
 */
add_filter(
	'option_auto_updater.lock',
	function ($value) {
		return 1;
	}
);
delete_option('option_auto_updater.lock');