Long site101 = CoreUtils.getHSIdFromHostAndSite( 1, 101);
Long site102 = CoreUtils.getHSIdFromHostAndSite( 1, 102);
helper.addSite(site1, 0);
helper.addSite(site2, 1);
helper.addSite(site101, 2);
helper.addSite(site102, 3);
SiteTracker tracker = helper.getSiteTrackerForSnapshot();
assertEquals(site1, tracker.getSitesForPartition(0).get(0));
assertEquals(site2, tracker.getSitesForPartition(1).get(0));
assertEquals(site101, tracker.getSitesForPartition(2).get(0));