@Test
    public void itSetsBrewButtonStatus() {
        maker.setBrewButtonStatus(CoffeeMakerAPI.BREW_BUTTON_PUSHED);
        assertEquals(CoffeeMakerAPI.BREW_BUTTON_PUSHED, maker.getBrewButtonStatus());

        maker.setBrewButtonStatus(CoffeeMakerAPI.BREW_BUTTON_NOT_PUSHED);
        assertEquals(CoffeeMakerAPI.BREW_BUTTON_NOT_PUSHED, maker.getBrewButtonStatus());
    }