public async Task CallOnAppearingAsync2()
        {
            var logger            = new Mock <ILogger>();
            var mapper            = new Mock <IMapper>();
            var messageBoxService = new Mock <IMessageBoxService>();

            logger.SetupAllProperties();
            mapper.SetupAllProperties();
            messageBoxService.SetupAllProperties();

            var rpc        = new OmvHttpService(logger.Object, new LocalIHttpClient());
            var omvService = new OmvRpcService(rpc, logger.Object, mapper.Object);
            var obj        = new OpenmediavaultFileSystemsViewModel(omvService, messageBoxService.Object);

            Assert.IsNull(obj.Title);
            await obj.OnAppearingAsync();

            Assert.AreEqual(0, obj.Filesystems.Count);
        }