code: def test_points_equal_3(self):
      self.assertEqual(self.points3, self.points3)
  
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 4 for calling the PointsComparisonTest obj's underlying member method code with example usage: obj.test_points_equal_3() without return types