anchor.diff:          finally
             stop := true
   
  -    let timedRes = { r with Time = DateTime.UtcNow.Ticks - start }
  +    watch.Stop()
  +    let timedRes = { r with Time = watch.ElapsedMilliseconds }
       prms.Callback.OnTestResult("", timedRes)
       timedRes
   
  
positive.code: 
  module private Impl =
  
    open System
  
    let assertParams prms =
      if prms.MinSuccessfulTests <= 0 then
  
negative.code:         else
            { Status = Exhausted; Succeeded = s1 + s2; Discarded = d1 + d2; FreqMap = FreqMap.append fm1 fm2; Time = 0L }
  
      let watch = Stopwatch.StartNew()
  
      let r =
        if prms.Workers < 2 then workerFun 0
  