let testButton: UIButton = UIButton()
override func viewDidLoad() {

view.addSubview(testButton)
    testButton.backgroundColor = UIColor.black
    testButton.setTitle("Hi", for: .normal)
    testButton.translatesAutoresizingMaskIntoConstraints = false

    testButton.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
    testButton.centerYAnchor.constraint(equalTo: usernameName.centerYAnchor, constant: 20).isActive = true
    testButton.addTarget(self, action: #selector(moveToIntermediate), for: .touchUpInside)
}

@objc func moveToIntermediate() {

    let interMediate = intermediateViewController()
    interMediate.modalTransitionStyle = .crossDissolve
    interMediate.view.layer.speed = 0.2
    self.present(interMediate, animated: true, completion: nil)

}