'Tree Structure
|- Page_1
|  |- Page_2
|    |- Page_3
|      |- Page_4 (false positive)
|  |- Page_5
|  |  |- Page_6 (group 6 page access)'

def _setup_pages(self):

    stdkwargs = {'template': 'nav_playground.html', 'language': 'en', 'published': True, 'in_navigation': True}
    page_1 = create_page('page_1', **stdkwargs)
    page_2 = create_page('page_2', parent=page_1, **stdkwargs)
    page_3 = create_page('page_3', parent=page_2, **stdkwargs)
    page_4 = create_page('page_4', parent=page_3, **stdkwargs)
    page_5 = create_page('page_5', parent=page_1, **stdkwargs)
    page_6 = create_page('page_6', parent=page_5, **stdkwargs)
    return [page_1, page_2, page_3, page_4, page_5, page_6]
