anchor.diff:      
   "CleanTest"
       ==> "Build"
  +    ==> "BuildTest"
       ==> "Test"
       
   "CleanDocs"
  
positive.code:     else
          let exs = errors |> Seq.map (fun e -> System.Exception(e.ToString()))
          raise (System.AggregateException(exs))
      
      let runner = Path.Combine("tools","packages", "xunit.runners", "tools", "xunit.console.clr4.exe") 
      
  
negative.code:     CopyRecursive docOutput localRepo true |> printfn "%A"
  )
  
  Target "BuildTest" (fun _ ->
      
      let testDll = Path.Combine(testBuildDir,"Test.dll")
      let scs = SimpleSourceCodeServices()
      let files = Directory.GetFiles(testDir,"*.fsx") |> Seq.toList
  