public void GetMetricsFromAllClusterTimeToTime_ReturnsOk()
        {
            var fromTime = DateTimeOffset.FromUnixTimeSeconds(10);
            var toTime   = DateTimeOffset.FromUnixTimeSeconds(100);
            var result   = controller.GetMetricsFromAllClusterTimeToTime(fromTime, toTime);

            _ = Assert.IsAssignableFrom <IActionResult>(result);
        }