fix unit tests
fix unit tests

yandex/yandex-tank,netortik/yandex-tank,ei-grad/yandex-tank,f2nd/yandex-tank,fomars/yandex-tank,nnugumanov/yandex-tank,asekretenko/yandex-tank,netortik/yandex-tank,nettorta/yandex-tank,direvius/yandex-tank,nnugumanov/yandex-tank,fomars/yandex-tank,yandex/yandex-tank,asekretenko/yandex-tank,ei-grad/yandex-tank,f2nd/yandex-tank,nettorta/yandex-tank,direvius/yandex-tank