### Question:
App { public static void main(String[] args) { var mammoth = new Mammoth(); mammoth.observe(); mammoth.timePasses(); mammoth.observe(); mammoth.timePasses(); mammoth.observe(); }  static void main(String[] args);  }### Answer:
@Test void shouldExecuteWithoutException() { assertDoesNotThrow(() -> App.main(new String[]{})); }