Now comes the Mickey Callaway test that Collins usually aced

Mickey CallawayForget about the honeymoon being over. Mickey Callaway is one bad bullpen decision away from Mets fans suggesting they visit a relationship counselor together.

So this is when Callaway declares himself, right? It’s going to have to be, with the Mets in their current funk partly by the new manager’s own doing. And after all the celebrating how he represented an upgrade over his predecessor? Now we’ll see whether the rookie skipper Callaway can take a punch as well as Terry Collins did in a Mets uniform.

On Friday night, the Mets will visit the Phillies at Citizens Bank Park with the hopes of ending their 7-16 plummet after their 11-1 start, a deep dive that hit a new low…