|> :xmerl.export_simple_content(:xmerl_xml)
expected = """
- <feed xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/">
+ <feed xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:poco="http://portablecontacts.net/spec/1.0">
<id>#{OStatus.feed_path(user)}</id>
<title>#{user.nickname}'s timeline</title>
<updated>#{most_recent_update}</updated>
<link rel="hub" href="#{OStatus.pubsub_path(user)}" />
+ <link rel="self" href="#{OStatus.feed_path(user)}" />
<author>
#{user_xml}
</author>