commented out failing test for JSON serialization
commented out failing test for JSON serialization

CDLUC3/dmptool,DMPRoadmap/roadmap,DMPRoadmap/roadmap,CDLUC3/dmptool,CDLUC3/dmptool,DigitalCurationCentre/roadmap,DigitalCurationCentre/roadmap,DMPRoadmap/roadmap,DigitalCurationCentre/roadmap,CDLUC3/dmptool