### Question:
ApplicationSettingServiceImpl implements ApplicationSettingService { @Override public void removeMaxBudget() { settingsDAO.removeSetting(MongoSetting.CONF_MAX_BUDGET); }  @Override void removeMaxBudget(); @Override void setMaxBudget(Long maxBudget); @Override Map<String, Object> getSettings();  }### Answer:
@Test public void removeMaxBudget() { applicationSettingService.removeMaxBudget(); verify(settingsDAO).removeSetting(MongoSetting.CONF_MAX_BUDGET); verifyNoMoreInteractions(settingsDAO); }