code: def test_column_name_contains_unicode_surrogate(self):
      # GH 25509
      colname = "\ud83d"
      df = DataFrame({colname: []})
      # this should not crash
      assert colname not in dir(df)
      assert df.columns[0] == colname
  
imports: from copy import deepcopy
  import inspect
  import pydoc
  import numpy
  import pytest
  from pandas._config import using_pyarrow_string_dtype
  from pandas._config.config import option_context
  import pandas
  from pandas import DataFrame, Series, date_range, timedelta_range
  import pandas._testing
label_desc: Use image node_id 7 for calling the TestDataFrameMisc obj's underlying member method code with example usage: obj.test_column_name_contains_unicode_surrogate() without return types