public void TestSortSet()
{
var cacheKey = nameof(TestSortSet).ToLower();
_redisProvider.ZAdd(cacheKey, new Dictionary <long, double> {
{ 1, DateTime.Now.GetTotalMilliseconds() }
});
dynamic returnReulst = _redisProvider.ZRange <long>(cacheKey, 0, 0);
_output.WriteLine(returnReulst[0].ToString());
Assert.NotNull(returnReulst);
// 返回有序集合中指定成员的索引
returnReulst = _redisProvider.ZRank <long>(cacheKey, 1);
_output.WriteLine(returnReulst.ToString());
Assert.True(returnReulst >= 0);
}