### Question:
NavAction { public int getDestinationId() { return mDestinationId; } NavAction(@IdRes int destinationId);  NavAction(@IdRes int destinationId, @Nullable NavOptions navOptions); int getDestinationId(); void setNavOptions(@Nullable NavOptions navOptions); @Nullable NavOptions getNavOptions();  }### Answer:
@Test public void createAction() { NavAction action = new NavAction(DESTINATION_ID); assertThat(action.getDestinationId(), is(DESTINATION_ID)); }