code: def import_folder():
      """
      This test will build a H2O frame from importing the bigdata/laptop/parser/orc/milsongs_orc_csv
      from and build another H2O frame from the multi-file orc parser using multiple orc files that are
      saved in the directory bigdata/laptop/parser/orc/milsongs_orc.  It will compare the two frames
      to make sure they are equal.
      :return: None if passed.  Otherwise, an exception will be thrown.
      """
      multi_file_csv = h2o.import_file(
          path=pyunit_utils.locate(
              "bigdata/laptop/parser/orc/milsongs_orc_csv"
          )
      )
      multi_file_orc = h2o.import_file(
          path=pyunit_utils.locate(
              "bigdata/laptop/parser/orc/milsongs_orc"
          )
      )
  
      multi_file_csv.summary()
      csv_summary = h2o.frame(multi_file_csv.frame_id)["frames"][0][
          "columns"
      ]
  
      multi_file_orc.summary()
      orc_summary = h2o.frame(multi_file_orc.frame_id)["frames"][0][
          "columns"
      ]
  
      pyunit_utils.compare_frame_summary(csv_summary, orc_summary)
  
label_desc: Use image node_id 1 for calling a global function with example usage: import_folder() without return types