Unified Storage: Testing For Fix Create, Update and Delete wrt Resource Versions (#88568)

Add testing harness

pkg/services/store/entity/db/dbimpl/dbimpl.go

@@ -44,15 +44,18 @@ type EntityDB struct {
 }
 
 func (db *EntityDB) Init() error {
-	_, err := db.GetEngine()
-	return err
-}
-
-func (db *EntityDB) GetEngine() (*xorm.Engine, error) {
 	db.once.Do(func() {
 		db.onceErr = db.init()
 	})
 
+	return db.onceErr
+}
+
+func (db *EntityDB) GetEngine() (*xorm.Engine, error) {
+	if err := db.Init(); err != nil {
+		return nil, err
+	}
+
 	return db.engine, db.onceErr
 }