Thank you for the review.
Test was moved to existing file. 
  
>Среда, 18 декабря 2019, 0:56 +03:00 от Vladislav Shpilevoy <v.shpilevoy@tarantool.org>:
> 
>Hi! Thanks for the patch!
> 
>> diff --git a/test/box/load_cfg.test.lua b/test/box/load_cfg.test.lua
>> new file mode 100644
>> index 000000000..e0c3b361b
>> --- /dev/null
>> +++ b/test/box/load_cfg.test.lua
>Please, move the test to box/cfg.test.lua. 
 
 
--
Maria Khaydich