code: def test_file_object(self):
      data = b'{"a": 1, "b": 2}\n'
      expected_data = {"a": [1], "b": [2]}
      bio = io.BytesIO(data)
      table = self.read_json(bio)
      assert table.to_pydict() == expected_data
      # Text files not allowed
      sio = io.StringIO(data.decode())
      with pytest.raises(TypeError):
          self.read_json(sio)
  
imports: from collections import OrderedDict
  from decimal import Decimal
  import io
  import itertools
  import json
  import string
  import unittest
  import numpy
  import pytest
  import pyarrow
  from pyarrow.json import read_json, ReadOptions, ParseOptions
label_desc: Use image node_id 3 for calling the BaseTestJSONRead obj's underlying member method code with example usage: obj.test_file_object() without return types