public void AddItemToFamilyShoppingListTest()
{
var sli = new Core.DTO.ShoppingListItem()
{
Name = "Kiwi", Amount = 5
};
slService.AddItemToFamilyShoppingList(currentUser.Id, sli);
Assert.IsNotNull(shoppingList.FirstOrDefault(s => s.Item.Name == sli.Name));
}