if len(vols) == 0 {
					t.Fatalf("Request resize for volume, but volume in ASW hasn't been marked as fsResizeRequired")
				}
				if len(vols) != 1 {
					t.Errorf("Some unexpected volumes are marked as fsResizeRequired: %v", vols)
				}
				if vols[0] != volName {
					t.Fatalf("Mark wrong volume as fsResizeRequired: %s", vols[0])
				}
			},
			volumeMode: v1.PersistentVolumeFilesystem,
		},
		{

	}
}

// Populates desiredStateOfWorld cache with one volume/pod.
// Enables controllerAttachDetachEnabled.
// Calls Run()
// Wait for volume mounted.
// Mark volume as fsResizeRequired in ASW.
// Verifies volume's fsResizeRequired flag is cleared later.
func Test_Run_Positive_VolumeFSResizeControllerAttachEnabled(t *testing.T) {
	blockMode := v1.PersistentVolumeBlock
	fsMode := v1.PersistentVolumeFilesystem

	return remountRequiredError{
		volumeName: volumeName,
		podName:    podName,
	}
}

// fsResizeRequiredError is an error returned when PodExistsInVolume() found
// volume/pod attached/mounted but fsResizeRequired was true, indicating the
// given volume receives an resize request after attached/mounted.
type FsResizeRequiredError struct {
	CurrentSize resource.Quantity
	volumeName  v1.UniqueVolumeName