public async void GetDeviceGroupDataSources() { var deviceGroup = await PortalClient.GetDeviceGroupByFullPathAsync(DeviceGroupFullPath).ConfigureAwait(false); Assert.NotNull(deviceGroup); var deviceGroupDataSources = await PortalClient.GetAllDeviceGroupDataSourcesAsync(deviceGroup.Id).ConfigureAwait(false); Assert.NotEmpty(deviceGroupDataSources); }