def METHOD_NAME(self):
    # given
    gpu_monitor = MagicMock(spec_set=GPUMonitor)
    gpu_monitor.get_card_count.return_value = 4
    # and
    system_resource_info_factory = SystemResourceInfoFactory(
        system_monitor=SystemMonitor(),
        gpu_monitor=gpu_monitor,
        os_environ={"CUDA_VISIBLE_DEVICES": "-1"},
    )
    # when
    resource_info = system_resource_info_factory.create(GaugeMode.SYSTEM)
    # then
    self.assertEqual([], resource_info.gpu_card_indices)