Folder exists routine

Change-Id: I6e17d24bb7d087754c26eee3cd944336aecd710e
Related-PROD: PROD-28199
diff --git a/cfg_checker/helpers/errors.py b/cfg_checker/helpers/errors.py
index eaaa1eb..83ae803 100644
--- a/cfg_checker/helpers/errors.py
+++ b/cfg_checker/helpers/errors.py
@@ -37,16 +37,7 @@
             self._conf_filename
         )
 
-        if not os.path.exists(_folder):
-            # it is not exists, create it
-            os.mkdir(_folder)
-            logger_cli.debug(
-                "... error logs folder '{}' created".format(_folder)
-            )
-        else:
-            logger_cli.debug(
-                "... error logs folder is at '{}'".format(_folder)
-            )
+        logger_cli.debug(fu.ensure_folder_exists(_folder))
         if not os.path.exists(self._conf_filename):
             # put file with init values
             self.conf = ConfigFile(self._area_code.lower())