@Test
public void testGivenZeroItemSelectedAndNoIconWhenUpdateToolbarThenNoIconShown() throws Exception {

    // Given icon == 0
    int itemSelected = 0;
    // When
    mCut.updateToolbar(itemSelected);
    // Then
    verify(mMockMultiChoiceToolbar, times(1)).getIcon();
    verify(mMockActionBar, times(1)).setDisplayHomeAsUpEnabled(false);
    verify(mMockActionBar, times(0)).setHomeAsUpIndicator(any(Integer.class));
    verify(mMockToolbar, times(0)).setNavigationOnClickListener(any(View.OnClickListener.class));
}