public void UseUIInitializesUI()
{
CoreBuilder coreBuilder = new CoreBuilder(new Core());
coreBuilder.UseUI <MockUIBuilder>();
coreBuilder.BuildCore();
Assert.That(coreBuilder.Info.AppCultureInfo, Is.Null);
Assert.That(coreBuilder.Info.MainViewModel, Is.Null);
Assert.That(coreBuilder.Info.MainWindow, Is.Null);
Assert.That(coreBuilder.Info.LoginHandler, Is.Null);
Assert.That(coreBuilder.Info.ThemeData, Is.Not.Null);
}