public void GeneratePartitionKey_Should_Generate_PartitionKey_Based_On_Key_Length()
        {
            var pkey = CacheEntity.GeneratePartitionKey("");

            Assert.Equal("0", pkey);

            pkey = CacheEntity.GeneratePartitionKey("a");
            Assert.Equal("1", pkey);

            pkey = CacheEntity.GeneratePartitionKey("123456789");
            Assert.Equal("9", pkey);

            pkey = CacheEntity.GeneratePartitionKey("1234567890");
            Assert.Equal("0", pkey);

            pkey = CacheEntity.GeneratePartitionKey("123456789012");
            Assert.Equal("2", pkey);
        }