public void testaddFeed() throws Exception {
FeedManager FM = new FeedManager();
File inpFile = new File(getDataDir(), "xmlhack-0.91.xml");
ChannelIF channel = FeedParser.parse(new ChannelBuilder(), inpFile);
String url = new Feed(channel).getLocation().toString();
FeedIF feed = FM.addFeed(url);
assertEquals(feed, FM.addFeed(url)); // same reference
}