Test Screen Transition iOS

ExampleViewControllerTest.swift

import XCTest
import Hamcrest 

@testable import MyExampleApp

class ExampleViewControllerTest: XCTestCase {
   
   ...

    func testNavigatesToOtherScreen() {
       let controller = ExampleViewController.loadFromStoryboard()
  
       assertThat(controller.view, present())

       UIWindow.present(viewController: controller) { () in
           controller.didTapButtonToGoToOtherViewController(NSObject())

           assertThat(controller.presentedViewController, presentAnd(instanceOf(OtherViewController)))
       }
    }
   
}