xml.rb uses correct text case of 'pbcoreDescriptionDocument'
cctv.rb corrects assignment of id to use source attribute 'id_program_prime' instead of 'id_program'
wcvb.rb corrects assignment of id to use source attribute 'UID' instead of 'Accession_NUMBER'
modified string test to assign collection_s of solr_doc: use 'wcvb collection' instead of 'wcvb'