Clase de test que muestra cómo usar KIF para interactuar con todo tipo de vistas

SuperHeroesControlsViewControllerTests.swift

class SuperHeroesControlsViewControllerTests: AcceptanceTestCase {

    func testShowsEmptyCaseIfThereAreNoSuperHeroes() {
        openSuperHeroesViewController()

        tester().tapView(withAccessibilityLabel: "Button")

        tester().setValue(0, forSliderWithAccessibilityLabel: "Slider")

        for _ in (0..<10) {
            tester().tapStepper(withAccessibilityLabel: "Stepper", increment: .increment)
        }

        tester().selectDatePickerValue(["August", "18", "1988"])

        tester().clearTextFromView(withAccessibilityLabel: "Text Field")

        tester().enterText("Hello World!", intoViewWithAccessibilityLabel: "Text Field")
    }

    fileprivate func openSuperHeroesViewController() {
        let superHeroesViewController = ServiceLocator().provideSuperHeroesControlsViewController()
        let rootViewController = UINavigationController()
        rootViewController.viewControllers = [superHeroesViewController]
        present(viewController: rootViewController)
        tester().waitForAnimationsToFinish()
    }

}