@Test
public void addsBookmarkWhenBookmarkItemWasNotSelected() {

    when(menuItem.getItemId()).thenReturn(R.id.action_bookmark);
    when(menuItem.isChecked()).thenReturn(false);
    commentsPresenter.onOptionsItemSelected(menuItem);
    verify(menuItem).setIcon(R.drawable.ic_bookmark_white);
    verify(menuItem).setChecked(true);
}