code: def test_function_holoslice(self):
      self.assertEqual(
          self.img_map.select(
              a=lambda x: 1 <= x < 3, b=lambda x: 1 <= x < 3
          ),
          self.img_map[1:3, 1:3],
      )
  
imports: import datetime
  from itertools import product
  import numpy
  import pandas
  from holoviews.core import HoloMap
  from holoviews.element import Contours, Curve, Image
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 4 for calling the DimensionedSelectionTest obj's underlying member method code with example usage: obj.test_function_holoslice() without return types