Sample data now has submits_for referenced by name, convert it to a uuid in principals tests.
Sample data now has submits_for referenced by name, convert it to a uuid in principals tests.

ENCODE-DCC/snovault,4dn-dcic/fourfront,kidaa/encoded,ClinGen/clincoded,hms-dbmi/fourfront,ClinGen/clincoded,hms-dbmi/fourfront,kidaa/encoded,4dn-dcic/fourfront,ENCODE-DCC/snovault,ENCODE-DCC/snovault,kidaa/encoded,ENCODE-DCC/encoded,hms-dbmi/fourfront,ENCODE-DCC/snovault,ENCODE-DCC/encoded,4dn-dcic/fourfront,ENCODE-DCC/snovault,T2DREAM/t2dream-portal,hms-dbmi/fourfront,ClinGen/clincoded,philiptzou/clincoded,philiptzou/clincoded,philiptzou/clincoded,T2DREAM/t2dream-portal,4dn-dcic/fourfront,ENCODE-DCC/encoded,philiptzou/clincoded,hms-dbmi/fourfront,kidaa/encoded,ENCODE-DCC/encoded,ClinGen/clincoded,T2DREAM/t2dream-portal,kidaa/encoded,philiptzou/clincoded,T2DREAM/t2dream-portal,ClinGen/clincoded