public void CalculateCaloriesPerGram_WhenCalled_ShouldReturnProperValue()
{
_systemUnderTest = FakeIngredientFactory.CreateIngredientWithOneShare(
IngredientName, MacroNutrient.Carbohydrate, _ingredientRepositoryMock.Object);
var result = _systemUnderTest.CalculateCalories(100);
result.Should().Be(80);
}