mirror extension usage

SceneCreatorTest.swift

class SceneCreatorTest: XCTestCase {
  
  private let sut = SceneCreator()
  
  func test_presentersViewShouldBeTheSameAsCreatedScene() {
      // Given
      let scene = sut.createScene()

      // When
      let interactor = mirror(property: .interactor, ofType: Interactor.self, from: scene)
      let presenter = mirror(property: .presenter, ofType: Presenter.self, from: interactor)
      let presentersView = mirror(property: .viewController, ofType: ViewController.self, from: presenter)

      //Then
      XCTAssertNotNil(presentersView) // Check if there is a view on the presenter
      XCTAssertTrue(presentersView === scene) // and if its the same as `scene`
  }
}