[test] Add case for existing driver on old csi node

The driver on the old object should not appear on the new one because it represented a different node

pkg/volume/csi/nodeinfomanager/nodeinfomanager_test.go

@@ -346,6 +346,45 @@ func TestInstallCSIDriver(t *testing.T) {
 				return csiNode
 			}(),
 		},
+		{
+			name: "pre-existing node info with driver, but owned by previous node",
+			existingNode: func() *v1.Node {
+				node := generateNode(nil /*nodeIDs*/, nil /*labels*/, nil /*capacity*/)
+				node.UID = types.UID("node1")
+				return node
+			}(),
+			existingCSINode: func() *storage.CSINode {
+				csiNode := generateCSINode(
+					nodeIDMap{
+						"com.example.csi.old-driver": "com.example.csi/csi-node2",
+					},
+					nil /*volumeLimits*/, nil, /*topologyKeys*/
+				)
+				csiNode.OwnerReferences[0].UID = types.UID("node2")
+				return csiNode
+			}(),
+			driverName:  "com.example.csi.driver1",
+			inputNodeID: "com.example.csi/csi-node1",
+			expectedNode: &v1.Node{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:        "node1",
+					UID:         types.UID("node1"),
+					Annotations: map[string]string{annotationKeyNodeID: marshall(nodeIDMap{"com.example.csi.driver1": "com.example.csi/csi-node1"})},
+				},
+			},
+			expectedCSINode: &storage.CSINode{
+				ObjectMeta: getCSINodeObjectMeta(),
+				Spec: storage.CSINodeSpec{
+					Drivers: []storage.CSINodeDriver{
+						{
+							// Only the new driver should be present because the old CSINode represented a previous node.
+							Name:   "com.example.csi.driver1",
+							NodeID: "com.example.csi/csi-node1",
+						},
+					},
+				},
+			},
+		},
 		{
 			name:          "nil topology, empty node",
 			driverName:    "com.example.csi.driver1",