He won’t have to worry about her fulfilling her term. I see all of this as when his policies become certain, she will resign in protest as a foolish means to try and derail it just as the current protestors are trying to derail the Electoral College voting. She will get so burdened by the coming wave that she will not be able to live up to her ideological barriers essentially forcing her to quit in loss of all credibility.
She'll be there in February 2018.