code: def test_histogram_image_hline_overlay(self):
      image = Image(np.arange(100).reshape(10, 10))
      overlay = image * HLine(y=0)
      element = overlay.hist()
  
      assert isinstance(element, AdjointLayout)
      assert element.main == overlay
  
imports: import numpy
  import pytest
  from holoviews import AdjointLayout, Element, GridSpace, HoloMap, Layout, NdLayout, Overlay
  from holoviews.element import Curve, HLine, Image
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 17 for calling the AdjointLayoutTest obj's underlying member method code with example usage: obj.test_histogram_image_hline_overlay() without return types