Edited test for chemical treatment display title to use treatment_agent schema (assuming treatment_chemical will be deprecated)
Edited test for chemical treatment display title to use treatment_agent schema (assuming treatment_chemical will be deprecated)

hms-dbmi/fourfront,hms-dbmi/fourfront,4dn-dcic/fourfront,4dn-dcic/fourfront,4dn-dcic/fourfront,4dn-dcic/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront,hms-dbmi/fourfront