public async Task Delete_UnknownItem_Does_Not_Fail() { _inMemoryStorageAdapter.Db.Add(Constants.AllRecordsKey, new DatabasePage { KnownRecords = new List <ServiceConfigurationRecord> { new ServiceConfigurationRecord() } }); await _configurationRepository.DeleteAsync(Guid.NewGuid(), _token); _inMemoryStorageAdapter.Db[Constants.AllRecordsKey].KnownRecords.ShouldNotBeEmpty(); }