Description
According to http://ci.apache.org/projects/avro/rat-output.html, we are missing license headers on
/home/buildslave3/slave3/avro-trunk-rat-report/build/lang/ruby/test/test_datafile.rb
/home/buildslave3/slave3/avro-trunk-rat-report/build/lang/ruby/test/test_socket_transport.rb
/home/buildslave3/slave3/avro-trunk-rat-report/build/lang/ruby/test/tool.rb