code: def test_split(self):
      self.pipeline._split_data()
      self.assertEqual(
          self.pipeline.table_length(self.pipeline.table_training), 800
      )
      self.assertEqual(
          self.pipeline.table_length(self.pipeline.table_validation),
          100,
      )
      self.assertEqual(
          self.pipeline.table_length(self.pipeline.table_test), 100
      )
  
file_path: lore/tests/unit/test_pipelines.py
imports: from __future__ import generators
  import unittest
  import pandas
  import tests.mocks.pipelines
label_desc: Use image node_id 4 for calling the TestLowMemory obj's underlying member method code with example usage: obj.test_split() without return types