app/assets/javascripts/channels/broadcasts.coffee.erb

@@ -25,6 +25,7 @@ $(document).on "turbolinks:load", ->
       if data.streamer_status == 'recording' && data.status == 'active' && stream_selected
         $("#broadcast_video").html data.video_content
         new (Clappr.Player)(
+          <%= "baseUrl: 'http://cdn.clappr.io/latest'," if Rails.env.test? %>
           parentId: '#broadcast_video'
           source: data.full_live_stream_playback_url
           width: '100%',