anchor.diff:  //            let f i = cloud { return if i = 55 then invalidOp "failure" else i + 1 }
   //            let! results = Array.init 100 f |> Cloud.Parallel
   //            return Array.sum results
  -//        } |> run |> Choice.shouldFailwith<_, InvalidOperationException>+//        } |> run |> Choice.shouldFailwith<_, InvalidOperationException>
  
positive.code: 
      [<TestFixtureSetUp>]
      let init () =
          MBraceRuntime.WorkerExecutable <- __SOURCE_DIRECTORY__ + @"\..\..\bin\MBrace.SampleRuntime.exe"
          runtime <- Some <| MBraceRuntime.InitLocal(4)
  
      [<TestFixtureTearDown>]
  
negative.code: ﻿namespace Nessos.MBrace.Tests
  
  open System
  open System.IO
  open System.Threading
  
  open NUnit.Framework
  