code: def test_asset_default_uid():
      # first instance of an object should have the name of object class
      a = Asset()
      assert a.uid
      assert isinstance(a.uid, str)
      assert a.uid == a.__class__.__name__
  
imports: import re
  import pytest
  import numpy
  from numpy.testing import assert_allclose
  import pyquaternion
  from traitlets import TraitError
  from unittest import mock
  from kubric.core import Asset
  from kubric.core import UndefinedAsset
  from kubric.core import objects
  from kubric.core import materials
label_desc: Use image node_id 1 for calling a global function with example usage: test_asset_default_uid() without return types