diff --git a/test/e2e/storage/csi_mock_volume.go b/test/e2e/storage/csi_mock_volume.go
index 88e7375af87..0e3329e51d0 100644
--- a/test/e2e/storage/csi_mock_volume.go
+++ b/test/e2e/storage/csi_mock_volume.go
@@ -349,7 +349,7 @@ var _ = utils.SIGDescribe("CSI mock volume", func() {
 	})
 
 	Context("CSI volume limit information using mock driver", func() {
-		It("should report attach limit when limit is bigger than 0", func() {
+		It("should report attach limit when limit is bigger than 0 [Slow]", func() {
 			// define volume limit to be 2 for this test
 
 			var err error
diff --git a/test/e2e/storage/detach_mounted.go b/test/e2e/storage/detach_mounted.go
index 5097672e407..e25e1c6dc15 100644
--- a/test/e2e/storage/detach_mounted.go
+++ b/test/e2e/storage/detach_mounted.go
@@ -23,7 +23,7 @@ import (
 
 	"time"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/wait"
 	clientset "k8s.io/client-go/kubernetes"
@@ -62,7 +62,7 @@ var _ = utils.SIGDescribe("Detaching volumes", func() {
 		suffix = ns.Name
 	})
 
-	It("should not work when mount is in progress", func() {
+	It("should not work when mount is in progress [Slow]", func() {
 		driver := "attachable-with-long-mount"
 		driverInstallAs := driver + "-" + suffix
 
diff --git a/test/e2e/storage/persistent_volumes-local.go b/test/e2e/storage/persistent_volumes-local.go
index 071dd4ef283..cd1c3831c54 100644
--- a/test/e2e/storage/persistent_volumes-local.go
+++ b/test/e2e/storage/persistent_volumes-local.go
@@ -28,7 +28,7 @@ import (
 	. "github.com/onsi/gomega"
 
 	appsv1 "k8s.io/api/apps/v1"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	storagev1 "k8s.io/api/storage/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/api/resource"
@@ -261,14 +261,14 @@ var _ = utils.SIGDescribe("PersistentVolumes-local ", func() {
 					}
 				})
 
-				It("should set fsGroup for one pod", func() {
+				It("should set fsGroup for one pod [Slow]", func() {
 					By("Checking fsGroup is set")
 					pod := createPodWithFsGroupTest(config, testVol, 1234, 1234)
 					By("Deleting pod")
 					framework.DeletePodOrFail(config.client, config.ns, pod.Name)
 				})
 
-				It("should set same fsGroup for two pods simultaneously", func() {
+				It("should set same fsGroup for two pods simultaneously [Slow]", func() {
 					fsGroup := int64(1234)
 					By("Create first pod and check fsGroup is set")
 					pod1 := createPodWithFsGroupTest(config, testVol, fsGroup, fsGroup)
diff --git a/test/e2e/storage/testsuites/multivolume.go b/test/e2e/storage/testsuites/multivolume.go
index 5ced33cfe8b..d7c74dc2f06 100644
--- a/test/e2e/storage/testsuites/multivolume.go
+++ b/test/e2e/storage/testsuites/multivolume.go
@@ -22,7 +22,7 @@ import (
 
 	. "github.com/onsi/ginkgo"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	clientset "k8s.io/client-go/kubernetes"
 	"k8s.io/kubernetes/test/e2e/framework"
@@ -40,7 +40,7 @@ var _ TestSuite = &multiVolumeTestSuite{}
 func InitMultiVolumeTestSuite() TestSuite {
 	return &multiVolumeTestSuite{
 		tsInfo: TestSuiteInfo{
-			name: "multiVolume",
+			name: "multiVolume [Slow]",
 			testPatterns: []testpatterns.TestPattern{
 				testpatterns.FsVolModePreprovisionedPV,
 				testpatterns.FsVolModeDynamicPV,
diff --git a/test/e2e/storage/testsuites/subpath.go b/test/e2e/storage/testsuites/subpath.go
index b4b682abcd6..d91d1a96119 100644
--- a/test/e2e/storage/testsuites/subpath.go
+++ b/test/e2e/storage/testsuites/subpath.go
@@ -372,7 +372,7 @@ func (s *subPathTestSuite) defineTests(driver TestDriver, pattern testpatterns.T
 		testReadFile(f, l.filePathInSubpath, l.pod, 0)
 	})
 
-	It("should verify container cannot write to subpath readonly volumes", func() {
+	It("should verify container cannot write to subpath readonly volumes [Slow]", func() {
 		init()
 		defer cleanup()
 		if l.roVolSource == nil {
diff --git a/test/e2e/storage/testsuites/volumemode.go b/test/e2e/storage/testsuites/volumemode.go
index 4b782ce665d..0e54fb57d35 100644
--- a/test/e2e/storage/testsuites/volumemode.go
+++ b/test/e2e/storage/testsuites/volumemode.go
@@ -22,7 +22,7 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	storagev1 "k8s.io/api/storage/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	clientset "k8s.io/client-go/kubernetes"
@@ -160,7 +160,7 @@ func (t *volumeModeTestSuite) defineTests(driver TestDriver, pattern testpattern
 	switch pattern.VolType {
 	case testpatterns.PreprovisionedPV:
 		if pattern.VolMode == v1.PersistentVolumeBlock && !isBlockSupported {
-			It("should fail to create pod by failing to mount volume", func() {
+			It("should fail to create pod by failing to mount volume [Slow]", func() {
 				init()
 				defer cleanup()