code: def test_floats_equal(self):
      self.assertEqual(3.5, 3.5)
  
imports: import numpy
  from holoviews.core import BoundingBox
  from holoviews.element.comparison import ComparisonTestCase
label_desc: Use image node_id 3 for calling the SimpleComparisonTest obj's underlying member method code with example usage: obj.test_floats_equal() without return types