{
            int guideIndex = (int)(Math.random() * cfgGuides);
            int feedIndex = (int)(Math.random() * cfgFeedsPerGuide);
            IGuide guide = getGuidesSet().getGuideAt(guideIndex);
            DataFeed feed = (DataFeed)guide.getFeedAt(feedIndex);
            feeds[i] = feed;
            feed.setInitTime(-1);
            feed.setInvalidnessReason("Test");
            feed.update();
        }
        // Wait while they are loading
        for (int i = 0; i < feeds.length; i++) waitForInitialization(feeds[i]);
    }