anchor.diff:      let lockFile = LockFile.Parse("",toLines lockFileData)
       let changedDependencies = DependencyChangeDetection.findNuGetChangesInDependenciesFile(cfg,lockFile,true)
       changedDependencies.Count |> shouldEqual 1
  -    (changedDependencies |> Seq.head) |> shouldEqual (Constants.MainDependencyGroup, PackageName "Caliburn.Micro")
  +    (changedDependencies |> Seq.head) |> shouldEqual (Constants.MainDependencyGroup, PackageName "Caliburn.Micro",[Paket.DependencyChangeDetection.DependencyChangeType.PackageNotFoundInLockFile])
   
   [<Test>]
   let ``should detect if nothing changes in github dependency``() = 
  
positive.code: 
      let cfg = DependenciesFile.FromCode(after)
      let lockFile = LockFile.Parse("",toLines lockFileData)
      let changedDependencies = DependencyChangeDetection.findNuGetChangesInDependenciesFile(cfg,lockFile,true)
     
      let newDependencies = DependencyChangeDetection.GetPreferredNuGetVersions (cfg,lockFile)
      let expected =
  
negative.code: 
      let cfg = DependenciesFile.FromCode(after)
      let lockFile = LockFile.Parse("",toLines lockFileData)
      let changedDependencies = DependencyChangeDetection.findNuGetChangesInDependenciesFile(cfg,lockFile,true) |> Set.map (fun (g,p,_) -> g, p)
     
      let newDependencies = DependencyChangeDetection.GetPreferredNuGetVersions (cfg,lockFile)
      newDependencies
  