public async Task GivenValidInput_WhenAddCustomTagIsInvoked_ThenShouldSucceed() { DicomTag tag = DicomTag.DeviceSerialNumber; CustomTagEntry entry = tag.BuildCustomTagEntry(); await _customTagService.AddCustomTagAsync(new CustomTagEntry[] { entry }, default); _customTagEntryValidator.ReceivedWithAnyArgs().ValidateCustomTags(default);