anchor.diff:  
     interface IObserver<TestClassResult> with
       override this.OnNext(testClassResult) =
  -      queue.Enqueue(printAsync testClassResult)
  +      queue.Enqueue(printTestClassResultAsync testClassResult)
   
       override this.OnError(_) = ()
   
  
positive.code:           do! printExceptionAsync "constructor" e
          | None ->
            for (i, testMethodResult) in testClassResult.TestMethodResults |> Seq.indexed do
              do! testMethodResult |> printTestMethodAsync i
            do! printNotCompletedMethodsAsync testClassResult.NotCompletedMethods
      }
  
  
negative.code:           do! printer.WriteLineAsync(sprintf "%d. %s" i schema.MethodName)
      }
  
    let printTestClassResultAsync (testClassResult: TestClassResult) =
      async {
        if isVerbose || testClassResult |> TestClassResult.isPassed |> not then
          do! printHardSeparatorAsync ()
  