fix unit test for new subPathExpr feature (#2638)

* fix unit test for new subPathExpr feature
* add subPathExpr flag to CRD and re-sort

manifests/complete-postgres-manifest.yaml

@@ -68,6 +68,8 @@ spec:
 #      matchLabels:
 #        environment: dev
 #        service: postgres
+#     subPath: $(NODE_NAME)/$(POD_NAME)
+#     isSubPathExpr: true
   additionalVolumes:
     - name: empty
       mountPath: /opt/empty

manifests/postgresql.crd.yaml

@@ -85,10 +85,14 @@ spec:
                     - mountPath
                     - volumeSource
                   properties:
+                    isSubPathExpr:
+                      type: boolean
                     name:
                       type: string
                     mountPath:
                       type: string
+                    subPath:
+                      type: string
                     targetContainers:
                       type: array
                       nullable: true
@@ -97,10 +101,6 @@ spec:
                     volumeSource:
                       type: object
                       x-kubernetes-preserve-unknown-fields: true
-                    subPath:
-                      type: string
-                    isSubPathExpr:
-                      type: boolean
               allowedSourceRanges:
                 type: array
                 nullable: true
@@ -634,6 +634,8 @@ spec:
                 required:
                   - size
                 properties:
+                  isSubPathExpr:
+                    type: boolean
                   iops:
                     type: integer
                   selector: