code: def test_register_backend_specific_fails_with_missing_default_value(
      monkeypatch_available_backends,
  ):
      def f_backend_specific(x):
          return x
  
      with pytest.raises(TypeError):
  
          @register_backend_specific("backend", f_backend_specific)
          def f(x=0):
              return x
  
file_path: tensorly/tensorly/utils/tests/test_backend_specific.py
imports: import pytest
  import tensorly.utils.backend_specific
  from tensorly.utils.backend_specific import register_backend_specific
label_desc: Use image node_id 5 for calling a global function with example usage: test_register_backend_specific_fails_with_missing_default_value(monkeypatch_available_backends) and returns: x, x