断言函数的返回值内容是和 transformer 作比较吗？

TopicApiTest.php 中部分内容如下：

$assertData = [
        'category_id' => 2,
        'user_id' => $this->user->id,
        'title' => 'edit title',
        'body' => clean('edit body', 'default'),
      ];

TopicTransformer.php 中部分内容如下：

return [
      'id' => $topic->id,
      'title' => $topic->title,
      'body' => $topic->body,
      'user_id' => (int)$topic->user_id,
      'category_id' => (int)$topic->category_id,
      'reply_count' => (int)$topic->reply_count,
      'view_count' => (int)$topic->view_count,
      'last_reply_user_id' =>(int)$topic->last_reply_user_id,
      'excerpt' => $topic->excerpt,
      'slug' => $topic->slug,
      'created_at' => $topic->created_at->toDateTimeString(),
      'updated_at' => $topic->updated_at->toDateTimeString(),
    ];

请问$assertData 集合中key value 是和 TopicTransformer.php 中 return 的数据作比较的吗