docstr: Start the local server with app.
docstr_tok: ["Start","the","local","server","with","app","."]
code: def start_server(self, app, navigate=True, **kwargs):
      """Start the local server with app."""
  
      # start server with app and pass Dash arguments
      self.server(app, **kwargs)
  
      if navigate:
          # set the default server_url, it implicitly call wait_for_page
          self.server_url = self.server.url
  
file_path: dash/dash/testing/composite.py
imports: from dash.testing.browser import Browser
label_desc: Use image node_id 2 for calling the DashComposite obj's underlying member method code with example usage: obj.start_server(app, navigate) without return types