BatchGuy.App.Settings.Services.BluRayTitleInfoDefaultSettingsService.SetSubtitleDefaultSettings C# (CSharp) Method

        public void SetSubtitleDefaultSettings()
        {
            if (_bluRaySummaryInfo.BluRayTitleInfo.Subtitles != null)
            {
                _bluRaySummaryInfo.BluRayTitleInfo.Subtitles.ForEach(s => s.IsSelected = _applicationSettings.BluRayTitleInfoDefaultSettings.SelectAllSubtitles);

                if (_applicationSettings.SubtitleLanguageAlwaysSelectedEnabled)
                {
                    foreach (BluRayTitleSubtitle subtitle in _bluRaySummaryInfo.BluRayTitleInfo.Subtitles.Where(a => a.Text.ToLower().Contains(_applicationSettings.SubtitlesMKVMergeDefaultSettings.DefaultMKVMergeItem.Language.Language.ToLower())))
                    {
                        subtitle.IsSelected = true;
                    }
                }
            }
        }

 public void bluraytitleinfodefaultsettingsservice_can_mark_all_subtitles_as_selected_as_default_Test()
 {
     //given
     ApplicationSettings applicationSettings = new ApplicationSettings() { BluRayTitleInfoDefaultSettings = new BluRayTitleInfoDefaultSettings() { SelectAllSubtitles = true } };
     BluRaySummaryInfo bluraySummaryInfo = new BluRaySummaryInfo() { BluRayTitleInfo = new BluRayTitleInfo()
     { Subtitles = new List<BluRayTitleSubtitle>() { new BluRayTitleSubtitle() { IsSelected = false },
     new BluRayTitleSubtitle() { IsSelected = false } } } };
     IAudioService audioService = new AudioService();
     IBluRayTitleInfoDefaultSettingsService service = new BluRayTitleInfoDefaultSettingsService(applicationSettings, bluraySummaryInfo, audioService);
     //when
     service.SetSubtitleDefaultSettings();
     //then
     bluraySummaryInfo.BluRayTitleInfo.Subtitles.Where(s => s.IsSelected == true).Count().Should().Be(2);
 }