code: def test_get_tag_raises():
      """Tests that get_tag method raises error for unknown tag.
  
      Raises
      ------
      AssertError if get_tag does not raise error for unknown tag.
      """
      with pytest.raises(ValueError, match=r"Tag with name"):
          FIXTURE_OBJECT.get_tag("bar")
  
imports: from copy import deepcopy
  import pytest
  from sktime.base import BaseEstimator, BaseObject
  from sktime.utils.validation._dependencies import _check_soft_dependencies
label_desc: Use image node_id 5 for calling a global function with example usage: test_get_tag_raises() without return types