public async Task Refresh_Async_Should_Succeed()
{
var cacheKey = Guid.NewGuid().ToString();
var cacheValue = "value";
var cacheBytes = new byte[] { 0x01 };
await _provider.SetAsync(cacheKey, cacheValue, _defaultTs);
var tmp = await _provider.GetAsync <string>(cacheKey);
Assert.Equal("value", tmp.Value);
var newValue = "NewValue";
await _provider.RefreshAsync(cacheKey, newValue, _defaultTs);
var act = await _provider.GetAsync <string>(cacheKey);
Assert.Equal("NewValue", act.Value);
}