code: def test_multiindex_to_df_list_large_level_values():
      """Tests for failure condition in bug #4668.
  
      Conversion from pd-multiindex to df-list would fail if the
      first MultiIndex level (level index 0) had strictly more levels
      than unique values in it, this can occur post subsetting.
      """
      from sktime.datasets import load_osuleaf
      from sktime.datatypes import convert_to
  
      X, _ = load_osuleaf(return_type="pd-multiindex")
      X1 = X.loc[:3]
  
      convert_to(X1, "df-list")
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_multiindex_to_df_list_large_level_values() without return types