I never heard about having to do this during an interview, but it sounds concerning.
My advice would be to not play mind games and just interview as yourself. Interviews go both ways, so if your interviewer is a psychopath you'd want to know sooner. Then just give the job a pass.
My advice would be to not play mind games and just interview as yourself. Interviews go both ways, so if your interviewer is a psychopath you'd want to know sooner. Then just give the job a pass.