Example XCUITest code

xcuitest.swift

import XCTestCase

final class ATest: XCTestCase {
  
  override func setUpWithError() throws {
    continueAfterFailure = false
  }
  
  @MainActor
  func testAThing() {
    let app = XCUIApplication()
    app.launch()
    app.buttons["Button To Press"].tap()
  }
}