code: def test_format_kwarg_dictionaries_protected_keys():
      formatted_kwargs = format_kwarg_dictionaries(
          default_kwargs=d_default,
          user_kwargs=d_user,
          protected_keys=protected_keys,
      )
  
      for key in protected_keys:
          assert key not in formatted_kwargs
  
imports: import os
  import sys
  import numpy
  from mlxtend.utils import assert_raises, check_Xy, format_kwarg_dictionaries
label_desc: Use image node_id 13 for calling a global function with example usage: test_format_kwarg_dictionaries_protected_keys() without return types