code: def test_bars_unequal_1(self):
      try:
          self.assertEqual(self.bars1, self.bars2)
      except AssertionError as e:
          if "not almost equal" not in str(e):
              raise Exception(
                  f"Bars mismatched data error not raised. {e}"
              )
  
imports: import numpy
  from holoviews import Bars, Curve, Dimension, Histogram, Points, Scatter, VectorField
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 5 for calling the BarsComparisonTest obj's underlying member method code with example usage: obj.test_bars_unequal_1() without return types