anchor.diff:  
       [<OneTimeTearDown>]
       let tearDownAll() =
  -        if File.Exists dummyFileName then
  -            File.Delete dummyFileName
           dispose helper
           
positive.code:             classifierProvider.Dispose()
  
  module SymbolClassifierTests =
      
      let helper = new SymbolClassifierHelper()
      let mutable fileName = null 
      let mutable dummyFileName = null
  
      [<SetUp>]
      let setUp() = 
          fileName <- getTempFileName ".fsx"
  
  
negative.code: ﻿namespace FSharpVSPowerTools.Tests
  
  open System
  open FSharpVSPowerTools
  open Microsoft.VisualStudio.Text
  open NUnit.Framework
  