code: def setup_method(self):
      self.data = np.rec.fromrecords(
          [(1, 2, 3), (4, 5, 6)],
          dtype=[("col1", "<i4"), ("col2", "<i4"), ("col3", "<i4")],
      )
  
imports: import collections.abc
  import textwrap
  from io import BytesIO
  from os import path
  from pathlib import Path
  import pytest
  import numpy
  from numpy.testing import assert_, assert_equal, assert_array_equal, assert_array_almost_equal, assert_raises, temppath
  from numpy.compat import pickle
label_desc: Use image node_id 1 for calling the TestRecord obj's underlying member method code with example usage: obj.setup_method() without return types