请求基础信息 所有REST请求共用
        public void GeneratePostData_Base_Test()
        {
            var dto = new ClientRequestBase
            {
                Method = Methods.delete_tag,
                Expires = DateTime.Now,
                Timestamp = DateTime.Now,
                Version = 1
            };

            string data = dto.GeneratePostData(_apiKey, _secretKey);

            Assert.IsNotNullOrEmpty(data);
        }
        public void GeneratePostData_Base_NullProperty_Test()
        {
            var dto = new ClientRequestBase { Method = null };

            Assert.Throws<ArgumentNullException>(() => dto.GeneratePostData(_apiKey, _secretKey));
        }