content: from dash import dcc, html, Input, Output, Patch, Dash
  
  
  def test_dcl001_descendant_tabs(dash_duo):
      app = Dash()
  
      app.layout = html.Div(
          [
              html.Button("Enable Tabs", id="button", n_clicks=0),
              html.Button("Add Tabs", id="add_button", n_clicks=0),
              dcc.Store(id="store-data", data=None),
              dcc.Tabs(
                  [
                      dcc.Tab(label="Tab A", value="tab-a", id="tab-a", disabled=True),
                      dcc.Tab(label="Tab B", value="tab-b", id="tab-b", disabled=True),
                  ],
                  id="tabs",
                  value="tab-a",
              ),
          ]
      )
  
      @app.callback(Output("store-data", "data"), Input("button", "n_clicks"))
      def update_store_data(clicks):
          if clicks > 0:
              return {"data": "available"}
          return None
  
      @app.callback(
          Output("tabs", "children"),
          Input("add_button", "n_clicks"),
          prevent_initial_call=True,
      )
      def add_tabs(n):
          children = Patch()
          children.append(dcc.Tab(label=f"{n}", value=f"{n}", id=f"test-{n}"))
          return children
  
      @app.callback(
          Output("tab-a", "disabled"),
          Output("tab-b", "disabled"),
          Input("store-data", "data"),
      )
      def toggle_tabs(store_data):
          if store_data is not None and "data" in store_data:
              return False, False
          return True, True
  
      dash_duo.start_server(app)
      dash_duo.wait_for_text_to_equal("#button", "Enable Tabs")
      dash_duo.find_element("#tab-a.tab--disabled")
      dash_duo.find_element("#button").click()
      dash_duo.find_element("#tab-a:not(.tab--disabled)")
      dash_duo.find_element("#add_button").click()
      dash_duo.find_element("#test-1:not(.tab--disabled)")
  