Pending specs now pass

spec/rdfa_reader_spec.rb

@@ -629,7 +629,7 @@
 
         ],
       }.each do |name, (md, nt)|
-        it "parses #{name}", pending: "Broke in Nokogiri 13.0" do
+        it "parses #{name}" do
           expect(parse(md)).to be_equivalent_graph(nt, logger: @logger)
         end
       end