VolumesAreAttached(specs []*Spec, nodeName types.NodeName) (map[*Spec]bool, error)

	// WaitForAttach blocks until the device is attached to this
	// node. If it successfully attaches, the path to the device
	// is returned. Otherwise, if the device does not attach after
	// the given timeout period, an error will be returned.
	WaitForAttach(spec *Spec, devicePath string, pod *v1.Pod, timeout time.Duration) (string, error)
}

		if volumeAttacher != nil {
			// Wait for attachable volumes to finish attaching
			klog.InfoS(volumeToMount.GenerateMsgDetailed("MountVolume.WaitForAttach entering", fmt.Sprintf("DevicePath %q", volumeToMount.DevicePath)), "pod", klog.KObj(volumeToMount.Pod))

			devicePath, err = volumeAttacher.WaitForAttach(
				volumeToMount.VolumeSpec, devicePath, volumeToMount.Pod, waitForAttachTimeout)
			if err != nil {

	return nil, nil
}

func (attacher *testPluginAttacher) WaitForAttach(spec *volume.Spec, devicePath string, pod *v1.Pod, timeout time.Duration) (string, error) {
	attacher.pluginLock.Lock()
	defer attacher.pluginLock.Unlock()
	if spec == nil {
		*attacher.ErrorEncountered = true
		return "", fmt.Errorf("WaitForAttach called with nil volume spec")
	}
	fakePath := fmt.Sprintf("%s/%s", devicePath, spec.Name())

	return "", nil
}

func (c *csiAttacher) WaitForAttach(spec *volume.Spec, _ string, pod *v1.Pod, timeout time.Duration) (string, error) {
	source, err := getPVSourceFromSpec(spec)
	if err != nil {
		return "", errors.New(log("attacher.WaitForAttach failed to extract CSI volume source: %v", err))
	}

			}
			wg.Wait()
		})
	}
}

func TestAttacherWaitForVolumeAttachmentWithCSIDriver(t *testing.T) {
	// In order to detect if the volume plugin would skip WaitForAttach for non-attachable drivers,
	// we do not instantiate any VolumeAttachment. So if the plugin does not skip attach,  WaitForVolumeAttachment
	// will return an error that volume attachment was not found.
	tests := []struct {

  optional bool attached = 1;

  // attachmentMetadata is populated with any
  // information returned by the attach operation, upon successful attach, that must be passed
  // into subsequent WaitForAttach or Mount calls.
  // This field must only be set by the entity completing the attach
  // operation, i.e. the external-attacher.
  // +optional
  map<string, string> attachmentMetadata = 2;

  optional bool attached = 1;

  // attachmentMetadata is populated with any
  // information returned by the attach operation, upon successful attach, that must be passed
  // into subsequent WaitForAttach or Mount calls.
  // This field must only be set by the entity completing the attach
  // operation, i.e. the external-attacher.
  // +optional
  map<string, string> attachmentMetadata = 2;

	"attachmentMetadata": "attachmentMetadata is populated with any information returned by the attach operation, upon successful attach, that must be passed into subsequent WaitForAttach or Mount calls. This field must only be set by the entity completing the attach operation, i.e. the external-attacher.",

	// attachmentMetadata is populated with any
	// information returned by the attach operation, upon successful attach, that must be passed
	// into subsequent WaitForAttach or Mount calls.
	// This field must only be set by the entity completing the attach
	// operation, i.e. the external-attacher.
	// +optional

	"attachmentMetadata": "attachmentMetadata is populated with any information returned by the attach operation, upon successful attach, that must be passed into subsequent WaitForAttach or Mount calls. This field must only be set by the entity completing the attach operation, i.e. the external-attacher.",