Spoiler: showShe will make Louis partner because she knows that will hurt Harvey the most. She will have Mike fired because he never legally passed the bar. Harvey will tell Mike to take the bar. He will pass and he will work for Harvey again. Jessica and Harvey will have a strained relationship for a while until he and Mike get her out of a legal nightmare. The situation will reinforce the bond that Jessica and Harvey have and she will start to accept Mike for the genius he is.
Or
Spoiler: showMike is already in the clear because he has all the documentation required to refute the claims of his ex-best friend. Jessica may dig deeper and find discrepancies but she doesn't have a reason to really distrust Harvey so nothing will come of it. Everyone lives happily ever after?