def compare_metadata
      error_count = 0
      bendo_rdf = jsonld_to_rdf(bendo.fetch('metadata', {}), ROF::RdfContext)
      fedora_rdf = jsonld_to_rdf(fedora.fetch('metadata', {}), ROF::RdfContext)
      error_count +=1 if ! bendo_rdf.isomorphic_with? fedora_rdf
      error_count
    end
def compare_metadata
      error_count = 0
      bendo_rdf = jsonld_to_rdf(bendo.fetch('metadata', {}), ROF::RdfContext)
      fedora_rdf = jsonld_to_rdf(fedora.fetch('metadata', {}), ROF::RdfContext)
      error_count +=1 if ! bendo_rdf.isomorphic_with? fedora_rdf
      error_count
    end
convert metadata sections to RDF::graph and compater w/ rdf-isomorphic