Add test for validation
Add test for validation

spendb/spendb,USStateDept/FPA_Core,CivicVision/datahub,pudo/spendb,openspending/spendb,USStateDept/FPA_Core,johnjohndoe/spendb,johnjohndoe/spendb,CivicVision/datahub,nathanhilbert/FPA_Core,CivicVision/datahub,spendb/spendb,openspending/spendb,johnjohndoe/spendb,pudo/spendb,USStateDept/FPA_Core,openspending/spendb,pudo/spendb,nathanhilbert/FPA_Core,nathanhilbert/FPA_Core,spendb/spendb