public void shouldHaveCalorieHistory()
{
Browser.GoTo(Url + "/?graphlines=" + NutrientEntity.EnergyInKcal);
var userIngredients = new UserIngredientRepository().GetUserIngredientsByUser(UserId, Now, Now.AddDays(1));
decimal sum = userIngredients.Sum(u => u.Ingredient.GetNutrient(NutrientEntity.EnergyInKcal).Value * (u.Measure / u.Ingredient.WeightInG));
var chartSumOfCalorieValue = ">" + String.Format("{0:0.00000}", sum) + "</VALUE>";
chartSumOfCalorieValue = chartSumOfCalorieValue.Replace(",", ".");
Assert.That(Browser.Html, Contains.Substring(chartSumOfCalorieValue));
Assert.That(Browser.Html, Contains.Substring(Now.ToShortDateString() + "</VALUE>"));
Assert.That(Browser.Html, !Contains.Substring(","));
}