Add GinkgoRecover to a local storage go routine

All goroutines must have 'defer ginkgo.GinkgoRecover()' for ginkgo to
report errors correctly.

test/e2e/storage/persistent_volumes-local.go

@@ -530,6 +530,7 @@ var _ = utils.SIGDescribe("PersistentVolumes-local ", func() {
 			ginkgo.By(fmt.Sprintf("Creating %v pods periodically", numConcurrentPods))
 			stop := make(chan struct{})
 			go wait.Until(func() {
+				defer ginkgo.GinkgoRecover()
 				podsLock.Lock()
 				defer podsLock.Unlock()