code: def test_dvcv015_multipage_validation_layout(validation, dash_duo):
      app = multipage_app(validation)
      dash_duo.start_server(app, **debugging)
  
      dash_duo.wait_for_text_to_equal(
          "#index_p1", 'Navigate to "/page-1"'
      )
      dash_duo.find_element("#index_p1").click()
  
      dash_duo.find_element("#submit-button").click()
      dash_duo.wait_for_text_to_equal(
          "#output-state",
          "The Button has been pressed 1 times,"
          'Input 1 is "Montreal",and Input 2 is "Canada"',
      )
  
      dash_duo.find_element("#p1_p2").click()
      dash_duo.wait_for_text_to_equal(
          "#page-2-display-value", 'You have selected "LA"'
      )
  
      assert not dash_duo.get_logs()
  
imports: import flask
  import pytest
  from dash import Dash, Input, Output, State, MATCH, ALL, ALLSMALLER, html, dcc
  from dash.testing import wait
label_desc: Use image node_id 18 for calling a global function with example usage: test_dvcv015_multipage_validation_layout(validation, dash_duo) without return types