def METHOD_NAME(self):
    """
    Test that GET requests to set_page_position view don't alter the page order.
    """
    response = self.client.get(
        reverse("wagtailadmin_pages:set_page_position", args=(self.child_1.id,))
    )
    self.assertEqual(response.status_code, 200)
    # Ensure page order does not change:
    child_slugs = self.index_page.get_children().values_list("slug", flat=True)
    self.assertListEqual(list(child_slugs), ["child-1", "child-2", "child-3"])