Modify HostedDataSetTest to use utilities.getNullSafe, cleans up code a bit
Modify HostedDataSetTest to use utilities.getNullSafe, cleans up code a bit

amwenger/igv,amwenger/igv,itenente/igv,itenente/igv,godotgildor/igv,amwenger/igv,itenente/igv,amwenger/igv,itenente/igv,itenente/igv,igvteam/igv,igvteam/igv,igvteam/igv,godotgildor/igv,godotgildor/igv,godotgildor/igv,amwenger/igv,igvteam/igv,igvteam/igv,godotgildor/igv