test: update CSI mock driver

The new release properly checks for existence of the staging
directory. The names of the volumes are now the same as in
https://github.com/kubernetes-csi/csi-test/blob/master/mock/example/deploy/csi-mock-driver-deployment.yaml

test/e2e/testing-manifests/storage-csi/mock/csi-mock-driver.yaml

@@ -53,7 +53,7 @@ spec:
           - mountPath: /registration
             name: registration-dir
         - name: mock
-          image: k8s.gcr.io/sig-storage/mock-driver:v4.0.2
+          image: k8s.gcr.io/sig-storage/mock-driver:v4.1.0
           args:
             - "--name=mock.storage.k8s.io"
             - "-v=3" # enabled the gRPC call logging
@@ -70,11 +70,12 @@ spec:
           volumeMounts:
             - mountPath: /csi
               name: socket-dir
+            - mountPath: /etc/hooks
+              name: hooks
             - mountPath: /var/lib/kubelet/pods
-              mountPropagation: Bidirectional
-              name: mountpoint-dir
-            - name: hooks
-              mountPath: /etc/hooks
+              name: kubelet-pods-dir
+            - mountPath: /var/lib/kubelet/plugins/kubernetes.io/csi
+              name: kubelet-csi-dir
       volumes:
         - hostPath:
             path: /var/lib/kubelet/plugins/csi-mock
@@ -82,8 +83,14 @@ spec:
           name: socket-dir
         - hostPath:
             path: /var/lib/kubelet/pods
+            type: Directory
+            # mock driver doesn't make mounts and therefore doesn't need mount propagation.
+            # mountPropagation: Bidirectional
+          name: kubelet-pods-dir
+        - hostPath:
+            path: /var/lib/kubelet/plugins/kubernetes.io/csi
             type: DirectoryOrCreate
-          name: mountpoint-dir
+          name: kubelet-csi-dir
         - hostPath:
             path: /var/lib/kubelet/plugins_registry
             type: Directory