public AddLentItemPage()
{
InitializeComponent();
BindingContext = new AddLentItemPageViewModel(Navigation, new SqlLiteLentItemsRepository());
}
public AddLentITemPageViewModelTests()
{
_repository = Substitute.For <ILentItemsRepository>();
_nav = NSubstitute.Substitute.For <INavigation>();
_vm = new AddLentItemPageViewModel(_nav, _repository);
}