code: def test_int_conversion(all_parsers):
      data = """A,B
  1.0,1
  2.0,2
  3.0,3
  """
      parser = all_parsers
      result = parser.read_csv(StringIO(data))
  
      expected = DataFrame(
          [[1.0, 1], [2.0, 2], [3.0, 3]], columns=["A", "B"]
      )
      tm.assert_frame_equal(result, expected)
  
file_path: pandas/pandas/tests/io/parser/common/test_ints.py
imports: from io import StringIO
  import numpy
  import pytest
  from pandas import DataFrame, Series
  import pandas._testing
label_desc: Use image node_id 1 for calling a global function with example usage: test_int_conversion(all_parsers) without return types