diff --git a/pkg/volume/testing/testing.go b/pkg/volume/testing/testing.go
index ae896129183..67247c22e6c 100644
--- a/pkg/volume/testing/testing.go
+++ b/pkg/volume/testing/testing.go
@@ -1618,7 +1618,7 @@ func GetTestVolumePluginMgr(t *testing.T) (*VolumePluginMgr, *FakeVolumePlugin)
 		nil,     /* kubeClient */
 		plugins, /* plugins */
 	)
-	return v.pluginMgr, plugins[0].(*FakeVolumePlugin)
+	return v.GetPluginMgr(), plugins[0].(*FakeVolumePlugin)
 }
 
 func GetTestKubeletVolumePluginMgr(t *testing.T) (*VolumePluginMgr, *FakeVolumePlugin) {
@@ -1629,7 +1629,7 @@ func GetTestKubeletVolumePluginMgr(t *testing.T) (*VolumePluginMgr, *FakeVolumeP
 		nil,     /* kubeClient */
 		plugins, /* plugins */
 	)
-	return v.pluginMgr, plugins[0].(*FakeVolumePlugin)
+	return v.GetPluginMgr(), plugins[0].(*FakeVolumePlugin)
 }
 
 // CreateTestPVC returns a provisionable PVC for tests
diff --git a/pkg/volume/testing/volume_host.go b/pkg/volume/testing/volume_host.go
index c3c07087599..ac375dcec45 100644
--- a/pkg/volume/testing/volume_host.go
+++ b/pkg/volume/testing/volume_host.go
@@ -45,6 +45,12 @@ import (
 	testingexec "k8s.io/utils/exec/testing"
 )
 
+type FakeVolumeHost interface {
+	VolumeHost
+
+	GetPluginMgr() *VolumePluginMgr
+}
+
 // fakeVolumeHost is useful for testing volume plugins.
 // TODO: Extract fields specific to fakeKubeletVolumeHost and fakeAttachDetachVolumeHost.
 type fakeVolumeHost struct {
@@ -67,20 +73,21 @@ type fakeVolumeHost struct {
 }
 
 var _ VolumeHost = &fakeVolumeHost{}
+var _ FakeVolumeHost = &fakeVolumeHost{}
 
-func NewFakeVolumeHost(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin) *fakeVolumeHost {
+func NewFakeVolumeHost(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin) FakeVolumeHost {
 	return newFakeVolumeHost(t, rootDir, kubeClient, plugins, nil, nil, "", nil, nil)
 }
 
-func NewFakeVolumeHostWithCloudProvider(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, cloud cloudprovider.Interface) *fakeVolumeHost {
+func NewFakeVolumeHostWithCloudProvider(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, cloud cloudprovider.Interface) FakeVolumeHost {
 	return newFakeVolumeHost(t, rootDir, kubeClient, plugins, cloud, nil, "", nil, nil)
 }
 
-func NewFakeVolumeHostWithCSINodeName(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, nodeName string, driverLister storagelistersv1.CSIDriverLister, volumeAttachLister storagelistersv1.VolumeAttachmentLister) *fakeVolumeHost {
+func NewFakeVolumeHostWithCSINodeName(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, nodeName string, driverLister storagelistersv1.CSIDriverLister, volumeAttachLister storagelistersv1.VolumeAttachmentLister) FakeVolumeHost {
 	return newFakeVolumeHost(t, rootDir, kubeClient, plugins, nil, nil, nodeName, driverLister, volumeAttachLister)
 }
 
-func newFakeVolumeHost(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, cloud cloudprovider.Interface, pathToTypeMap map[string]hostutil.FileType, nodeName string, driverLister storagelistersv1.CSIDriverLister, volumeAttachLister storagelistersv1.VolumeAttachmentLister) *fakeVolumeHost {
+func newFakeVolumeHost(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, cloud cloudprovider.Interface, pathToTypeMap map[string]hostutil.FileType, nodeName string, driverLister storagelistersv1.CSIDriverLister, volumeAttachLister storagelistersv1.VolumeAttachmentLister) FakeVolumeHost {
 	host := &fakeVolumeHost{rootDir: rootDir, kubeClient: kubeClient, cloud: cloud, nodeName: nodeName, csiDriverLister: driverLister, volumeAttachmentLister: volumeAttachLister}
 	host.mounter = mount.NewFakeMounter(nil)
 	host.hostUtil = hostutil.NewFakeHostUtil(pathToTypeMap)
@@ -244,6 +251,7 @@ type fakeAttachDetachVolumeHost struct {
 }
 
 var _ AttachDetachVolumeHost = &fakeAttachDetachVolumeHost{}
+var _ FakeVolumeHost = &fakeAttachDetachVolumeHost{}
 
 // TODO: Create constructors for AttachDetachVolumeHost once it's consumed in tests.
 
@@ -269,26 +277,27 @@ type fakeKubeletVolumeHost struct {
 }
 
 var _ KubeletVolumeHost = &fakeKubeletVolumeHost{}
+var _ FakeVolumeHost = &fakeKubeletVolumeHost{}
 
-func NewFakeKubeletVolumeHost(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin) *fakeKubeletVolumeHost {
+func NewFakeKubeletVolumeHost(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin) FakeVolumeHost {
 	return newFakeKubeletVolumeHost(t, rootDir, kubeClient, plugins, nil, nil, "", nil, nil)
 }
 
-func NewFakeKubeletVolumeHostWithCloudProvider(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, cloud cloudprovider.Interface) *fakeKubeletVolumeHost {
+func NewFakeKubeletVolumeHostWithCloudProvider(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, cloud cloudprovider.Interface) FakeVolumeHost {
 	return newFakeKubeletVolumeHost(t, rootDir, kubeClient, plugins, cloud, nil, "", nil, nil)
 }
 
-func NewFakeKubeletVolumeHostWithNodeLabels(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, labels map[string]string) *fakeKubeletVolumeHost {
+func NewFakeKubeletVolumeHostWithNodeLabels(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, labels map[string]string) FakeVolumeHost {
 	volHost := newFakeKubeletVolumeHost(t, rootDir, kubeClient, plugins, nil, nil, "", nil, nil)
 	volHost.nodeLabels = labels
 	return volHost
 }
 
-func NewFakeKubeletVolumeHostWithCSINodeName(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, nodeName string, driverLister storagelistersv1.CSIDriverLister, volumeAttachLister storagelistersv1.VolumeAttachmentLister) *fakeKubeletVolumeHost {
+func NewFakeKubeletVolumeHostWithCSINodeName(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, nodeName string, driverLister storagelistersv1.CSIDriverLister, volumeAttachLister storagelistersv1.VolumeAttachmentLister) FakeVolumeHost {
 	return newFakeKubeletVolumeHost(t, rootDir, kubeClient, plugins, nil, nil, nodeName, driverLister, volumeAttachLister)
 }
 
-func NewFakeKubeletVolumeHostWithMounterFSType(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, pathToTypeMap map[string]hostutil.FileType) *fakeKubeletVolumeHost {
+func NewFakeKubeletVolumeHostWithMounterFSType(t *testing.T, rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, pathToTypeMap map[string]hostutil.FileType) FakeVolumeHost {
 	return newFakeKubeletVolumeHost(t, rootDir, kubeClient, plugins, nil, pathToTypeMap, "", nil, nil)
 }