anchor.diff:      yield testCaseAsync "never ending" <| async {
         let config =
           { defaultConfig with
  +            parallelWorkers = 32
               stress = TimeSpan.FromMilliseconds 10000.0 |> Some
               stressTimeout = TimeSpan.FromMilliseconds 10000.0
               printer = TestPrinters.silent
  
positive.code:     yield testCaseAsync "memory" <| async {
        let config =
          { defaultConfig with
              stress = TimeSpan.FromMilliseconds 100.0 |> Some
              stressMemoryLimit = 0.001
              printer = TestPrinters.silent
  
negative.code:     yield testCaseAsync "never ending sequenced" <| async {
        let config =
          { defaultConfig with
              ``parallel`` = false
              stress = TimeSpan.FromMilliseconds 10000.0 |> Some
              stressTimeout = TimeSpan.FromMilliseconds 10000.0
              printer = TestPrinters.silent
              verbosity = Logging.LogLevel.Fatal }
        Expect.equal (runTests config neverEndingTest) 8 "timeout"
  