if cm.cadvisorInterface != nil {
				rootfs, err := cm.cadvisorInterface.RootFsInfo()
				if err != nil {
					klog.ErrorS(err, "Unable to get rootfs data from cAdvisor interface")
					// If the rootfsinfo retrieval from cAdvisor fails for any reason, fallback to returning the capacity property with no ephemeral storage data
					return cm.capacity
				}

	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()

	mockCadvisor := cadvisortest.NewMockInterface(mockCtrl)
	mockCadvisor.EXPECT().ContainerInfoV2("/", options).Return(infos, nil)
	mockCadvisor.EXPECT().RootFsInfo().Return(rootfs, nil)
	mockCadvisor.EXPECT().ImagesFsInfo().Return(imagefs, nil)

	mockRuntime := containertest.NewMockRuntime(mockCtrl)