class_docstr: Tests checking the formatting of your EA when printed.
code: def test_array_repr_unicode(self, data):
      result = str(data)
      assert isinstance(result, str)
  
file_path: pandas/pandas/tests/extension/base/printing.py
imports: import io
  import pytest
  import pandas
label_desc: Use image node_id 2 for calling the BasePrintingTests obj's underlying member method code with example usage: obj.test_array_repr_unicode(data) without return types