class_docstr: Tests for the cuDFInterface.
class_docstr_tok: ["Tests","for","the","cuDFInterface","."]
code: def test_dataset_2D_aggregate_spread_fn_with_duplicates(self):
      raise SkipTest("cuDF does not support variance aggregation")
  
imports: import logging
  from unittest import SkipTest
  import numpy
  from holoviews.core.data import Dataset
  from holoviews.core.spaces import HoloMap
  from .base import HeterogeneousColumnTests, InterfaceTests
label_desc: Use image node_id 2 for calling the cuDFInterfaceTests obj's underlying member method code with example usage: obj.test_dataset_2D_aggregate_spread_fn_with_duplicates() without return types