discourse/db/fixtures/500_lounge_category.rb

unless Rails.env.test?
  lounge = Category.where(id: SiteSetting.lounge_category_id).first
  if lounge and !lounge.group_ids.include?(Group[:trust_level_3].id)

    # The category for users with trust level 3 has been created.
    # Add permissions and a description to it.

    lounge.group_names = ['trust_level_3']
    unless lounge.save
      puts lounge.errors.full_messages
      raise "Failed to set permissions on trust level 3 lounge category!"
    end

    creator = PostCreator.new(Discourse.system_user,
      raw: I18n.t('vip_category_description'),
      title: I18n.t('category.topic_prefix', category: lounge.name),
      category: lounge.name,
      archetype: Archetype.default
    )
    post = creator.create

    unless post && post.id
      puts post.errors.full_messages if post
      puts creator.errors.inspect
      raise "Failed to create description for trust level 3 lounge!"
    end

    lounge.topic_id = post.topic.id
    unless lounge.save
      puts lounge.errors.full_messages
      puts "Failed to set the lounge description topic!"
    end

    # Reset topic count because we don't count the description topic
    Category.exec_sql "UPDATE categories SET topic_count = 0 WHERE id = #{lounge.id}"
  end
end