code: def test_request_validate_response(self):
      # Finally, we check details elsewhere, but make sure we do validate.
  
      utils.request(self.method, self.url)
      assert self.request_mock.call_count == 1
  
imports: from __future__ import absolute_import
  import json
  from requests.exceptions import ConnectionError
  from plotly import version
  from chart_studio.api.utils import to_native_utf8_string
  from chart_studio.api.v2 import utils
  from chart_studio.exceptions import PlotlyRequestError
  from chart_studio.session import sign_in
  from chart_studio.tests.test_plot_ly.test_api import PlotlyApiTestCase
label_desc: Use image node_id 5 for calling the RequestTest obj's underlying member method code with example usage: obj.test_request_validate_response() without return types