protected override void Arrange() { base.Arrange(); var builder = new TestConfigurationBuilder(); configSource = new DictionaryConfigurationSource(); builder.AddLoggingSettings() .Build(configSource); var configurationSourceModel = Container.Resolve<ConfigurationSourceModel>(); var source = new DesignDictionaryConfigurationSource(); source.Add(BlockSectionNames.Logging, LoggingConfiguration); configurationSourceModel.Load(source); LoggingSettingsViewModel = configurationSourceModel.Sections .Where(x => x.ConfigurationType == typeof(LoggingSettings)).Single(); }