public void Exists_UserExists_True()
        {
            var target = new VsaAchievementProvider();

            Assert.IsTrue(target.Exists(new DeveloperAccountAtIssuer(0, "giacomelli")));
        }
        public void Exists_UserNotExists_False()
        {
            var target = new VsaAchievementProvider();

            Assert.IsFalse(target.Exists(new DeveloperAccountAtIssuer(0, Guid.NewGuid().ToString())));
        }