code: def test_get_position(self, histogram_indexer):
      assert histogram_indexer.get_position(0, 0, 0) == 0
      assert histogram_indexer.get_position(0, 0, 1) == 1
      assert histogram_indexer.get_position(0, 1, 0) == 3
      assert histogram_indexer.get_position(1, 0, 0) == 5
      assert histogram_indexer.get_position(1, 1, 1) == 9
  
file_path: FATE/python/fate/test/histogram/indexer.py
imports: import pytest
  from fate_utils.histogram import HistogramIndexer, Shuffler
label_desc: Use image node_id 2 for calling the TestHistogramIndexer obj's underlying member method code with example usage: obj.test_get_position(histogram_indexer) without return types