content: import dash
  from dash import Dash, dcc, html
  
  
  def test_paor001_order(dash_duo, clear_pages_state):
      app = Dash(__name__, use_pages=True, suppress_callback_exceptions=True)
  
      dash.register_page(
          "multi_layout1",
          layout=html.Div("text for multi_layout1", id="text_multi_layout1"),
          order=2,
          id="multi_layout1",
      )
      dash.register_page(
          "multi_layout2",
          layout=html.Div("text for multi_layout2", id="text_multi_layout2"),
          order=1,
          id="multi_layout2",
      )
      dash.register_page(
          "multi_layout3",
          layout=html.Div("text for multi_layout3", id="text_multi_layout3"),
          order=0,
          id="multi_layout3",
      )
      # Test more than 10 pages to ensure the supplied order is sorted correctly
      for order_int in range(3, 13):
          dash.register_page(
              f"multi_layout{order_int + 1}",
              layout=html.Div(
                  f"text for multi_layout{order_int + 1}",
                  id=f"text_multi_layout{order_int + 1}",
              ),
              order=order_int,
              id=f"multi_layout{order_int + 1}",
          )
      # Test fractional ordering
      dash.register_page(
          "multi_layout3.5",
          layout=html.Div("text for multi_layout3.5", id="text_multi_layout3.5"),
          order=3.5,
          id="multi_layout3.5",
      )
      # Test no order given
      dash.register_page(
          "multi_layout14",
          layout=html.Div("text for multi_layout14", id="text_multi_layout14"),
          id="multi_layout14",
      )
      dash.register_page(
          "multi_layout15",
          layout=html.Div("text for multi_layout15", id="text_multi_layout15"),
          id="multi_layout15",
      )
      # Test string for order
      dash.register_page(
          "first_string_order",
          layout=html.Div("text for string_order", id="text_string_order"),
          order="2a",
          id="first_string_order",
      )
      dash.register_page(
          "aaa_first_with_no_order",
          layout=html.Div("text for aaa", id="text_aaa"),
          id="aaa_first_with_no_order",
      )
      dash.register_page(
          "yyy_last_string_order",
          layout=html.Div("text for yyy", id="text_yyy"),
          order="zzz",
          id="yyy_last_string_order",
      )
  
      app.layout = html.Div(
          [
              html.Div(
                  [
                      html.Div(
                          dcc.Link(
                              f"{page['name']} - {page['path']}",
                              id=page["id"],
                              href=page["path"],
                          )
                      )
                      for page in dash.page_registry.values()
                  ]
              ),
              dash.page_container,
              dcc.Location(id="url", refresh=True),
          ]
      )
  
      modules = [
          "multi_layout3",
          "multi_layout2",
          "multi_layout1",
          "multi_layout4",
          "multi_layout3.5",
          "multi_layout5",
          "multi_layout6",
          "multi_layout7",
          "multi_layout8",
          "multi_layout9",
          "multi_layout10",
          "multi_layout11",
          "multi_layout12",
          "multi_layout13",
          "first_string_order",
          "yyy_last_string_order",
          "aaa_first_with_no_order",
          "multi_layout14",
          "multi_layout15",
          "pages.defaults",
          "pages.metas",
          "pages.not_found_404",
          "pages.page1",
          "pages.page2",
          "pages.path_variables",
          "pages.query_string",
          "pages.redirect",
      ]
  
      dash_duo.start_server(app)
  
      assert (
          list(dash.page_registry) == modules
      ), "check order of modules in dash.page_registry"
  
      # There should be no `validation_layout` when suppress_callback_exceptions=True`
      assert app.validation_layout is None
  
      assert dash_duo.get_logs() == [], "browser console should contain no error"
  