write a helper method to generate link_to with in li

application_helper.rb

def link url_path, class_name, title
content_tag :li do
link_to title, url_path, title: title, class: 'class_name'
end
end

usage:

in app.html.erb file:

<ul>
<%= link users_path, 'user', 'user' %>
</ul>

that's it....