code: def test_custom_lineterminator(c_parser_only):
      parser = c_parser_only
      data = "a,b,c~1,2,3~4,5,6"
  
      result = parser.read_csv(StringIO(data), lineterminator="~")
      expected = parser.read_csv(StringIO(data.replace("~", "\n")))
  
      tm.assert_frame_equal(result, expected)
  
imports: from decimal import Decimal
  from io import BytesIO, StringIO, TextIOWrapper
  import mmap
  import os
  import tarfile
  import numpy
  import pytest
  from pandas.compat.numpy import np_version_gte1p24
  from pandas.errors import ParserError, ParserWarning
  import pandas.util._test_decorators
  from pandas import DataFrame, concat
  import pandas._testing
label_desc: Use image node_id 8 for calling a global function with example usage: test_custom_lineterminator(c_parser_only) without return types