'Verify move modal a11y.'

def test_a11y(self):

    unit_page = self.go_to_unit_page(unit_name='Test    Unit    1')
    unit_page.a11y_audit.config.set_scope(include=['.modal-window.move-modal'])
    unit_page.a11y_audit.config.set_rules({'ignore': ['color-contrast', 'link-href']})
    unit_page.displayed_children[0].open_move_modal()
    for category in ['section', 'subsection', 'component']:
        self.move_modal_view.navigate_to_category(category, self.navigation_options)
        unit_page.a11y_audit.check_for_accessibility_errors()
