Directions or Signs?

I have a friend who, when she is grappling with a problem, tells God things like, "If such and such happens, then I'll know I'm supposed to do solution A.  If not, then it's solution B.  It sounds to me like tempting God, but she is happy with this method.  If it is a question of right or wrong, it kind of seems to me the answer should be obvious, but I sure could be wrong.  What do you all think?