code: def test_unknown_condition_values_error():
      with pytest.raises(TypeError, match="Can contain only"):
          conditions.Parent("parent", [None])
  
file_path: keras-tuner/keras_tuner/engine/conditions_test.py
imports: from unittest import mock
  import pytest
  from keras_tuner.engine import conditions
label_desc: Use image node_id 2 for calling a global function with example usage: test_unknown_condition_values_error() without return types