```ruby
module TreeNode
  class EmsFolder < Node
    set_attributes(:icon, :tooltip) do
      # TODO: move this logic into TreeBuilder#override for the specific trees
      icon = %i[vandt_tree vat_tree].include?(@options[:tree]) ? 'pficon pficon-folder-close-blue' : @object.decorate.fonticon
      tooltip = _("Folder: %{folder_name}") % {:folder_name => @object.name}
      [icon, tooltip]
    end
  end
end
```

Break up the TreeNode::EmsFolder set_attributes into two parts
user
```ruby
module TreeNode
  class EmsFolder < Node
    set_attribute(:icon) do
      %i[vandt_tree vat_tree].include?(@options[:tree]) ? 'pficon pficon-folder-close-blue' : @object.decorate.fonticon
    end

    set_attribute(:tooltip) { _("Folder: %{folder_name}") % {:folder_name => @object.name} }
  end
end
```
assistant