Returns the count of the randomly created feed array.
Number of feed items on default feed created by createFeed().
function getDefaultFeedItemCount() {
// Our tests are based off of rss.xml, so let's find out how many elements should be related.
$feed_count = db_query_range('SELECT COUNT(*) FROM {node} n WHERE n.promote = 1 AND n.status = 1', 0, variable_get('feed_default_items', 10))
->fetchField();
return $feed_count > 10 ? 10 : $feed_count;
}