anchor.diff:  open System.IO
   open System.Text
   open Fake
  +open System.Diagnostics
   
   /// CLI parameters available if you use Tests.runTestsInAssembly defaultConfig argv in your code:
   type ExpectoParams =
  
positive.code:             if isNotNullOrEmpty args.WorkingDirectory
              then args.WorkingDirectory else DirectoryName testAssembly
          let exitCode =
              ExecProcess(fun info ->
                  info.FileName <- testAssembly
                  info.WorkingDirectory <- workingDir
                  info.Arguments <- argsString
              ) processTimeout
          testAssembly, exitCode
      let res =
          assemblies
  
negative.code:             PrintVersion = true
              Run = []
              ListTests = false
              // Summary = true somehow breakes Expecto TeamCity printer
              Summary = false
              SummaryLocation = false
              CustomArgs = []
              WorkingDirectory = ""
  