code: def test_interact_manual_button():
      c = interact.options(manual=True).widget(f)
      w = c.children[0]
      check_widget(w, cls=widgets.Button)
  
imports: from unittest.mock import patch
  import os
  from collections import OrderedDict
  import pytest
  import ipywidgets
  from traitlets import TraitError, Float
  from ipywidgets import interact, interact_manual, interactive, interaction, Output, Widget
  from .utils import setup, teardown
label_desc: Use image node_id 31 for calling a global function with example usage: test_interact_manual_button() without return types