private void InitializeTestData() { Ingredient ingredient1 = new Ingredient("Ingredient1"); Ingredient ingredient2 = new Ingredient("Ingredient2"); Ingredient ingredient3 = new Ingredient("Ingredient3"); _availableIngredients.Add(ingredient1); _availableIngredients.Add(ingredient2); _availableIngredients.Add(ingredient3); Roll roll1 = new Roll("Roll1"); roll1.AddIngredient(ingredient1); roll1.AddIngredient(ingredient2); Roll roll2 = new Roll("Roll2"); roll2.AddIngredient(ingredient3); _availableRolls.AddRoll(roll1); _availableRolls.AddRoll(roll2); }