Use shorter timeout if possible.

- Add PodStartShortTimeout and ClaimProvisionShortTimeout constants.
- Change framework.PodStartTimeout to framework.PodStartShortTimeout in
  persistent_volumes-local.go. Busybox image is very small, no need to
  wait for a long time.

test/e2e/framework/util.go

@@ -113,6 +113,11 @@ const (
 	// TODO: Make this 30 seconds once #4566 is resolved.
 	PodStartTimeout = 5 * time.Minute
 
+	// Same as `PodStartTimeout` to wait for the pod to be started, but shorter.
+	// Use it case by case when we are sure pod start will not be delayed
+	// minutes by slow docker pulls or something else.
+	PodStartShortTimeout = 1 * time.Minute
+
 	// If there are any orphaned namespaces to clean up, this test is running
 	// on a long lived cluster. A long wait here is preferably to spurious test
 	// failures caused by leaked resources from a previous test run.
@@ -156,6 +161,10 @@ const (
 	// How long claims have to become dynamically provisioned
 	ClaimProvisionTimeout = 5 * time.Minute
 
+	// Same as `ClaimProvisionTimeout` to wait for claim to be dynamically provisioned, but shorter.
+	// Use it case by case when we are sure this timeout is enough.
+	ClaimProvisionShortTimeout = 1 * time.Minute
+
 	// How long claims have to become bound
 	ClaimBindingTimeout = 3 * time.Minute