code: def test_lambda_default(self) -> None:
      default = _TestModel(x=10)
  
      class ExplicitDefault(HasProps):
          m = bcpi.Instance(
              _TestModel, default=lambda: _TestModel(x=10)
          )
  
      obj = ExplicitDefault()
      assert isinstance(obj.m, _TestModel)
      for prop in default.properties():
          assert getattr(obj.m, prop) == getattr(default, prop)
  
imports: from __future__ import annotations
  import pytest
  from pandas import DataFrame, Series
  from pandas.core.groupby import GroupBy
  from bokeh.core.has_props import HasProps
  from tests.support.util.api import verify_all
  from _util_property import _TestHasProps, _TestModel, _TestModel2
  import bokeh.core.property.instance
label_desc: Use image node_id 10 for calling the Test_Instance obj's underlying member method code with example usage: obj.test_lambda_default() without return types