Add backup opt-in/opt-out E2E test

Signed-off-by: danfengl <danfengl@vmware.com>

test/e2e/testdata/storage-class/aws.yaml

@@ -0,0 +1,9 @@
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: e2e-storage-class
+provisioner: kubernetes.io/aws-ebs
+parameters:
+  type: gp2
+reclaimPolicy: Delete
+volumeBindingMode: WaitForFirstConsumer

test/e2e/testdata/storage-class/azure.yaml

@@ -0,0 +1,11 @@
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: e2e-storage-class
+provisioner: kubernetes.io/azure-disk
+parameters:
+  cachingmode: ReadOnly
+  kind: Managed
+  storageaccounttype: StandardSSD_LRS
+reclaimPolicy: Delete
+volumeBindingMode: WaitForFirstConsumer

test/e2e/testdata/storage-class/gcp.yaml

@@ -0,0 +1,13 @@
+allowVolumeExpansion: true
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  labels:
+    addonmanager.kubernetes.io/mode: EnsureExists
+  name: e2e-storage-class
+parameters:
+  type: pd-standard
+provisioner: kubernetes.io/gce-pd
+reclaimPolicy: Delete
+volumeBindingMode: volumeBindingMode: WaitForFirstConsumer
+

test/e2e/testdata/storage-class/vsphere.yaml

@@ -0,0 +1,11 @@
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: e2e-storage-class
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "false"
+parameters:
+  StoragePolicyName: "vSAN Default Storage Policy"
+provisioner: csi.vsphere.vmware.com
+reclaimPolicy: Delete
+volumeBindingMode: WaitForFirstConsumer