descend another depth in the folders, refs #21677

tests/test_backup.py

@@ -83,8 +83,9 @@ def check_local_backup(path):
             else:
                 print('Backup %s is fine' % subd)
         else:
-            print('Backup %s is not okay (no %s file)' % (subd, latest))
-            all_ok = False 
+            for dd in os.listdir(subd):
+                subsubd = os.path.join(subd, dd)
+                all_ok = min(all_ok, check_local_backup(subsubd))
     return all_ok