code: def test_is_integer(self, name: HistogramType, expected: bool):
      histogram = hist.Histogram(name, bins=[])
      self.assertEqual(histogram.is_integer, expected)
  
file_path: pipelinedp/tests/dataset_histograms/histograms_test.py
imports: from typing import Union, List
  from absl.testing import absltest
  from absl.testing import parameterized
  from pipeline_dp.dataset_histograms import histograms
  from pipeline_dp.dataset_histograms.histograms import HistogramType, FrequencyBin
label_desc: Use image node_id 3 for calling the HistogramTest obj's underlying member method code with example usage: obj.test_is_integer(name, expected) without return types