public async Task TestPostLogStoreLogs()
{
    var response = await this.context.Client.PostLogStoreLogsAsync(this.context.LogStoreName, new LogGroupInfo
    {
        Topic = "UnitTest",
        Source = "UnitTest",
        LogTags = new Dictionary<String, String>
        {
            {"Tag1", null},  // error
            {"Tag2", String.Empty}, // error
            {"Tag3", "far"}
        },
        Logs = new List<LogInfo>
        {
            new LogInfo
            {
                Time = DateTimeOffset.Now,
                Contents = new Dictionary<String, String>
                {
                    {"foo", null}, // error
                    {"bar", String.Empty}, // error
                    {"far", "baz"}
                }
            }
        }
    });
    this.PrintResponse(response);
    Assert.True(response.IsSuccess);
}