anchor.diff:  
   
           def is_refreshed(_):
  -            folders = machine.succeed(api_get(f"/Library/VirtualFolders"))
  +            folders = machine.succeed(api_get("/Library/VirtualFolders"))
               folders = json.loads(folders)
               print(folders)
               return all(folder["RefreshStatus"] == "Idle" for folder in folders)
  
positive.code:       in
        ''
          import json
          import time
          from urllib.parse import urlencode
  
          machine.wait_for_unit("jellyfin.service")
  
negative.code:                 "ffmpeg"
                  + f" -headers 'X-Emby-Authorization:{auth_header}'"
                  + f" -i http://localhost:8096/Videos/{video}/master.m3u8?mediaSourceId={media_source_id}"
                  + " /tmp/test.mkv"
              )
  
              duration = machine.succeed(
  