code: def test_deserialize_date(self):
      serialized_date = {"year": 1900, "month": 1, "date": 18}
      expected = dt.date(1900, 2, 18)
      self.assertEqual(
          self.from_json(serialized_date, self.dummy_manager), expected
      )
  
imports: import array
  import datetime
  import pytest
  from unittest import TestCase
  from traitlets import HasTraits, Int, TraitError
  from traitlets.tests.test_traitlets import TraitTestBase
  from ipywidgets import Color, NumberFormat
  from ipywidgets.widgets.widget import _remove_buffers, _put_buffers
  from ipywidgets.widgets.trait_types import date_serialization, TypedTuple
label_desc: Use image node_id 3 for calling the TestDateDeserialization obj's underlying member method code with example usage: obj.test_deserialize_date() without return types