code: def test_inin007_change_viewport_meta_tag(dash_duo):
      """
      As of dash 2.5 the default viewport meta tag is:
          [{"name": "viewport", "content": "width=device-width, initial-scale=1"}]
      Test verifies that this feature can be disabled by using an empty viewport tag.
      """
  
      app = Dash(meta_tags=[{"name": "viewport"}])
  
      app.layout = html.Div(id="content")
  
      dash_duo.start_server(app)
  
      viewport_meta = dash_duo.find_elements('meta[name="viewport"]')
  
      assert len(viewport_meta) == 1, "Should have 1 viewport meta tags"
      assert viewport_meta[0].get_attribute("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 5 for calling a global function with example usage: test_inin007_change_viewport_meta_tag(dash_duo) without return types