code: def assert_tsdata(self, data, expected):
      self.assertEqual(len(data), len(expected))
      self.assertEqual(sum(1 for _ in data), len(data))
      self.assert_data_chunk_object_equal(data, expected)
  
imports: import math
  from unittest import TestCase
  from unittest.mock import Mock
  import numpy
  import pandas
  from dask import dataframe
  from tests.fixtures import DataTestCase
  from tsfresh.feature_extraction.data import LongTsFrameAdapter, PartitionedTsData, TsDictAdapter, WideTsFrameAdapter, to_tsdata
  from tsfresh.utilities.distribution import MultiprocessingDistributor
label_desc: Use image node_id 6 for calling the DataAdapterTestCase obj's underlying member method code with example usage: obj.assert_tsdata(data, expected) without return types