public void DeleteExistingAchievement()
{
var achievementName = "DeleteExistingAchievement";
var achievement = Helpers.CreateAchievement(achievementName);
var achievementReturned = _evaluationController.Get(achievement.Token, achievement.GameId, EvaluationType.Achievement);
Assert.NotNull(achievementReturned);
Assert.Equal(achievementReturned.Name, achievementName);
_evaluationController.Delete(achievement.Token, achievement.GameId, EvaluationType.Achievement);
achievementReturned = _evaluationController.Get(achievement.Token, achievement.GameId, EvaluationType.Achievement);
Assert.Null(achievementReturned);
}