Merge pull request kubernetes#47550 from spxtr/slowpv

Automatic merge from submit-queue (batch tested with PRs 47523, 47438, 47550, 47450, 47612)

Move slow PV test to slow suite.

See [testgrid](https://k8s-testgrid.appspot.com/google-gce#gce&width=5&graph-metrics=test-duration-minutes).

#1

Author: Kubernetes Submit Queue

test/e2e/storage/persistent_volumes.go

@@ -261,7 +261,7 @@ var _ = framework.KubeDescribe("PersistentVolumes", func() {
 
 			// Create 4 PVs and 2 PVCs.
 			// Note: PVs are created before claims and no pre-binding.
-			It("should create 4 PVs and 2 PVCs: test write access", func() {
+			It("should create 4 PVs and 2 PVCs: test write access [Slow]", func() {
 				numPVs, numPVCs := 4, 2
 				pvols, claims, err = framework.CreatePVsPVCs(numPVs, numPVCs, c, ns, pvConfig, pvcConfig)
 				Expect(err).NotTo(HaveOccurred())