How to push two view controllers but animate transition only for the second one?

Question

I have three controllers (FirstVC, SecondVC, ThirdVC) inside storyboad, and navigation is sequential: a user can navigate from FirstVC to SecondVC, and then to ThirdVC. Now,

Answer 1

Swift Version From KimAMartinsen Solution

guard var controllers = self.navigationController?.viewControllers else {
   return
}

guard let firstVC = self.storyboard?.instantiateViewController(withIdentifier: "Tests") as? firstViewController else { 
   return
}

guard let secondVC = self.storyboard?.instantiateViewController(withIdentifier: "Dashboard") as? SecondViewController else {
    return
}

controllers.append(firstVC)
controllers.append(secondVC)
self.navigationController?.setViewControllers(controllers, animated: true)