code: def test_grid_upload_in_existing_folder(self):
      g = self.get_grid()
      folder = random_filename()
      filename = random_filename()
      py.file_ops.mkdirs(folder)
      path = "existing folder: {0}/grid in folder {1}".format(
          folder, filename
      )
      py.grid_ops.upload(g, path, auto_open=False)
  
imports: from __future__ import absolute_import
  import random
  import string
  from unittest import skip
  from chart_studio import plotly
  from chart_studio.exceptions import InputError, PlotlyRequestError
  from _plotly_utils.exceptions import PlotlyError
  from plotly.graph_objs import Scatter
  from chart_studio.grid_objs import Column, Grid
  from chart_studio.plotly import parse_grid_id_args
  from chart_studio.tests.utils import PlotlyTestCase
label_desc: Use image node_id 6 for calling the GridTest obj's underlying member method code with example usage: obj.test_grid_upload_in_existing_folder() without return types