anchor.diff:          Assert.Greater (first, ult, "ult {0} first {1}", ult, first)
           Assert.AreEqual (fst.Length, scn.Length)
           
  +        
  
positive.code: 
      type FSharpScript() =
          inherit DualityScript()"
          if Directory.Exists "Scripts" then Directory.Delete ("Scripts", true)
          if not (Directory.Exists "Scripts") then 
              Directory.CreateDirectory "Scripts" |> ignore
          let compiler = createFSharpCompiler        
          let results = compiler.Compile(fsharpScript)
          File.Copy(results.PathToAssembly, Path.Combine("Scripts", Path.GetFileName(results.PathToAssembly)))
  
      [<Test>]
      let ``When scripts dir doesn't exist then return empty`` ()=
          if Directory.Exists "Scripts" then Directory.Delete ("Scripts", true)
  
negative.code:         createDirWithAssemblies()
          let pre = PrebuildScripts.LoadAssemblies() 
          Assert.IsNotEmpty pre
  *)
  
      [<Test>]
      let ``When there is assemblies no need to load twice ``() =        
  