public void AsyncCache_Set_Directly_Value()
        {
            _cache.Clear();

            for (var i = 0; i < TestCount; i++)
            {
                var key = i;
                _cache.SetValue(key, Math.Pow(key, 3));
            }
            for (var i = 0; i < TestCount; i++)
            {
                var key = i;
                Assert.AreEqual(Math.Pow(key, 3), _cache[key], "key=" + key);
            }
        }