.video-part
  %h4= part.title

  %ul.fa-ul
    - data.training_videos["part-#{part.number}"].each do |key, video|
      %li
        %i.fa-li.fa.fa-play-circle-o
        = link_to video.title.to_s,
          "/training/videos/part-#{part.number}/#{key}"

.video-part{ id: "part-#{part.number}" }
  %h4= part.title

  %ul.fa-ul
    - data.training_videos["part-#{part.number}"].each do |key, video|
      %li
        %i.fa-li.fa.fa-play-circle-o
        = link_to video.title.to_s,
          "/training/videos/part-#{part.number}/#{key}"

Add id selector for easier testing.
Add id selector for easier testing.
