code: def test_experimental_warning_wrapper_for_funcs():
      from pylibcugraph.utilities.api_tools import (
          experimental_warning_wrapper,
      )
  
      def EXPERIMENTAL__func(a, b):
          return a - b
  
      exp_func = experimental_warning_wrapper(EXPERIMENTAL__func)
  
      with pytest.warns(PendingDeprecationWarning):
          assert 1 == exp_func(3, 2)
  
imports: import types
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: test_experimental_warning_wrapper_for_funcs() and returns: unknown