code: def test_overlap_select(self):
      selection = self.overlap_layout.select(Default=(6, None))
      self.assertEqual(
          selection,
          self.overlap1.clone(shared_data=False) + self.overlap2[6:],
      )
  
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 12 for calling the DimensionedSelectionTest obj's underlying member method code with example usage: obj.test_overlap_select() without return types