anchor.diff:  ----
   {
     "@type" : "gx:Instant",
  -  "@value" : "2016-10-04T12:17:22.696Z"
  +  "@value" : "2018-01-19T13:30:24.598Z"
   }
   ----
   
  
positive.code: file = new File("out-graphson-1d0.txt")
  file.withWriter { writer ->
  
    writer.write("Graph Structure\n")
    writer.write("~~~~~~~~~~~~~~~\n\n")
    writer.write(toJson(graph.edges().next(), "Edge"))
    writer.write(toJson(g.V().out().out().path().next(), "Path"))
    writer.write(toJson(graph.edges().next().properties().next(), "Property"))
  
negative.code: [source,json]
  ----
  {
    "requestId" : "5a8408fc-08e4-409f-ac85-10e3afe0b8d0",
    "op" : "eval",
    "processor" : "session",
    "args" : {
  