CSPACE-1481: Update "userName" property name in test data.
CSPACE-1481: Update "userName" property name in test data.

cspace-deployment/ui,cspace-deployment/ui,cspace-deployment/ui,cherryhill/collectionspace-ui,cspace-deployment/ui,cherryhill/collectionspace-ui,cherryhill/collectionspace-ui,cspace-deployment/ui,cherryhill/collectionspace-ui