[DOC] fixed doctest for CriterionSettingObserver
[DOC] fixed doctest for CriterionSettingObserver

esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x