anchor.diff:  
         final detailsComputer = computedDetails == null
             ? null
  -          : () =>
  -              Future.delayed(const Duration(seconds: 1), () => computedDetails);
  +          : () => Future.delayed(
  +              const Duration(seconds: 1), () => computedDetails!);
         return LogData(kind, details, i, detailsComputer: detailsComputer);
       }
   
  
positive.code:       when(fakeServiceManager.connectedApp.isFlutterWebAppNow)
            .thenReturn(false);
        when(fakeServiceManager.connectedApp.isProfileBuildNow).thenReturn(false);
        when(fakeServiceManager.errorBadgeManager.errorCountNotifier(any))
            .thenReturn(ValueNotifier<int>(0));
        setGlobal(ServiceConnectionManager, fakeServiceManager);
        when(mockLoggingController.data).thenReturn(fakeLogData);
        when(mockLoggingController.filteredData)
  
negative.code:     }
  
      LogData _generate(int i) {
        String? details = 'log event $i';
        String kind = 'kind $i';
        String? computedDetails;
        switch (i) {
          case 9:
            computedDetails = jsonOutput;
  