In the new big-screen adaption of the best-selling Jonathan Topper novel “This Is Where I Leave You,” Tina Fey and Jason Bateman portray siblings with tight ties that bind. Just minutes after sitting down with the actors recently as they promoted the sprawling ensemble dramedy, opening Friday, it was clear that Fey and Bateman had developed a real-life rapport, as well. Bateman said “If it’s chemistry, I guess that’s what they call it — but, we just … she’s a nice lady.”