code: def test_variable_width_unicode():
      data = """
  שלום שלום
  ום   שלל
  של   ום
  """.strip(
          "\r\n"
      )
      encoding = "utf8"
      kwargs = {"header": None, "encoding": encoding}
  
      expected = read_fwf(
          BytesIO(data.encode(encoding)),
          colspecs=[(0, 4), (5, 9)],
          **kwargs,
      )
      result = read_fwf(BytesIO(data.encode(encoding)), **kwargs)
      tm.assert_frame_equal(result, expected)
  
imports: from datetime import datetime
  from io import BytesIO, StringIO
  from pathlib import Path
  import numpy
  import pytest
  from pandas.errors import EmptyDataError
  import pandas
  from pandas import DataFrame, DatetimeIndex
  import pandas._testing
  from pandas.core.arrays import ArrowStringArray, StringArray
  from pandas.io.common import urlopen
  from pandas.io.parsers import read_csv, read_fwf
label_desc: Use image node_id 25 for calling a global function with example usage: test_variable_width_unicode() without return types