code: def test_inin006_meta_tags(dash_duo):
      metas = [
          {"name": "description", "content": "my dash app"},
          {"name": "custom", "content": "customized"},
      ]
  
      app = Dash(meta_tags=metas)
  
      app.layout = html.Div(id="content")
  
      dash_duo.start_server(app)
  
      meta = dash_duo.find_elements("meta")
  
      # -3 for the meta charset, http-equiv and viewport.
      assert (
          len(meta) == len(metas) + 3
      ), "Should have 3 extra meta tags"
  
      for i in range(3, len(meta)):
          meta_tag = meta[i]
          meta_info = metas[i - 3]
          assert meta_tag.get_attribute("name") == meta_info["name"]
          assert (
              meta_tag.get_attribute("content") == meta_info["content"]
          )
  
imports: import datetime
  import flask
  import json
  import pytest
  import re
  from bs4 import BeautifulSoup
  import dash_dangerously_set_inner_html
  import dash_flow_example
  import dash
  from dash import Dash, html, dcc, Input, Output
  from dash.exceptions import PreventUpdate
  from dash.testing.wait import until
label_desc: Use image node_id 4 for calling a global function with example usage: test_inin006_meta_tags(dash_duo) without return types