code: def test_overlay_repr1(self):
      expected = (
          ":Overlay\n   .Value.Label :Element\n   .Value.I     :Element"
      )
      o = self.element1 * self.element2
      r = PrettyPrinter.pprint(o)
      self.assertEqual(r, expected)
  
file_path: holoviews/holoviews/tests/core/test_prettyprint.py
imports: from holoviews import Curve, Element, Layout, Overlay, Store
  from holoviews.core.pprint import PrettyPrinter
  from holoviews.element.comparison import ComparisonTestCase
  from .test_dimensioned import CustomBackendTestCase, ExampleElement
label_desc: Use image node_id 3 for calling the PrettyPrintTest obj's underlying member method code with example usage: obj.test_overlay_repr1() without return types