code: def test_repr_to_string(
      self,
      multiindex_year_month_day_dataframe_random_data,
      multiindex_dataframe_random_data,
  ):
      ymd = multiindex_year_month_day_dataframe_random_data
      frame = multiindex_dataframe_random_data
  
      repr(frame)
      repr(ymd)
      repr(frame.T)
      repr(ymd.T)
  
      buf = StringIO()
      frame.to_string(buf=buf)
      ymd.to_string(buf=buf)
      frame.T.to_string(buf=buf)
      ymd.T.to_string(buf=buf)
  
imports: from datetime import datetime, timedelta
  from io import StringIO
  import numpy
  import pytest
  from pandas._config import using_pyarrow_string_dtype
  from pandas import NA, Categorical, CategoricalIndex, DataFrame, IntervalIndex, MultiIndex, NaT, PeriodIndex, Series, Timestamp, date_range, option_context, period_range
  import pandas._testing
label_desc: Use image node_id 10 for calling the TestDataFrameRepr obj's underlying member method code with example usage: obj.test_repr_to_string(multiindex_year_month_day_dataframe_random_data, multiindex_dataframe_random_data) without return types