anchor.diff:  module Pfarah.Tests
   
   open Pfarah
  +open Utils
   open NUnit.Framework
   open System
   open System.IO
  
positive.code:   mem.Flush()
    let saved = Encoding.GetEncoding(1252).GetString(mem.ToArray())
    let parsed2 = ParaValue.Parse saved
    parsed2 |> shouldEqual parsed
negative.code: 
  let shouldEqual (x : 'a) (y : 'a) = Assert.AreEqual(x, y, sprintf "Expected: %A\nActual: %A" x y)
  
  let parse str =
    match (ParaValue.Parse str) with
    | ParaValue.Record properties -> properties
    | _ -> failwith "Expected a record"
  