### Question:
App { public static void main(String[] args) throws Exception { var ballItem = new BallItem(); var ballThread = new BallThread(); ballItem.setTwin(ballThread); ballThread.setTwin(ballItem); ballThread.start(); waiting(); ballItem.click(); waiting(); ballItem.click(); waiting(); ballThread.stopMe(); }  static void main(String[] args);  }### Answer:
@Test void shouldExecuteWithoutException() { assertDoesNotThrow(() -> App.main(new String[]{})); }