public async void GetAllDeviceInstancs() { var deviceInstances = await PortalClient .GetAllDeviceInstances(WindowsDeviceId, new Filter <DeviceDataSourceInstance> { Properties = new List <string> { nameof(DeviceDataSourceInstance.Id), nameof(DeviceDataSourceInstance.Name), nameof(DeviceDataSourceInstance.DataSourceName), } }, CancellationToken.None) .ConfigureAwait(false); Assert.True(deviceInstances.Count > 300); }