public function __construct(Story $story)
{
// initialise our parent first
parent::__construct($story->getCategory() . ' > ' . $story->getGroupAsString() . ' > ' . $story->getName());
// remember the story we are reporting on
$this->story = $story;
// we want success to say 'PASS' rather than 'OKAY'
$this->resultStrings[self::OKAY] = 'PASS';
}