HelloCore

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
	// Override point for customization after application launch.
	if ProcessInfo.processInfo.arguments.contains("HighSpeedAnimation") {
		UIApplication.shared.keyWindow?.layer.speed = 100
	}
	return true
}

HelloCore

func testTabButtonNumberButtonIncreased() {
	let app = XCUIApplication()
	let numberBtn = app.buttons["numberBtn"]
	numberBtn.tap()
	XCTAssertEqual(numberBtn.label, "1", "Score on button should increase")
}

func testPlayToGameOverFirstTime() {
	let app = XCUIApplication()
	let numberBtn = app.buttons["numberBtn"]

HelloCore

import XCTest

class FizzBuzzTDDSwiftUITests: XCTestCase {
        
    override func setUp() {
        super.setUp()
        
        // Put setup code here. This method is called before the invocation of each test method in the class.
        
        // In UI tests it is usually best to stop immediately when a failure occurs.