class_docstr: Tests all of the 'is_it_x()' functions to determine a file's type
class_docstr_tok: ["Tests","all","of","the","'is_it_x","(",")","'","functions","to","determine","a","file","'s","type"]
code: def test_is_it_json(self, file_path, result):
      with open(file_path, "r") as fh:
          assert FileHandler.is_it_json(StringIO(fh.read())) is result
  
imports: import json
  import os
  import shutil
  import tempfile
  from io import BytesIO, StringIO
  from unittest.mock import patch
  import pandas
  import pytest
  import responses
  from mindsdb_sql.exceptions import ParsingException
  from mindsdb_sql.parser.ast import CreateTable, DropTables, Identifier, Select, Star
  from pytest_lazyfixture import lazy_fixture
  from mindsdb.integrations.handlers.file_handler.file_handler import FileHandler
  from mindsdb.integrations.libs.response import RESPONSE_TYPE
  from mindsdb.interfaces.file.file_controller import FileController
label_desc: Use image node_id 3 for calling the TestIsItX obj's underlying member method code with example usage: obj.test_is_it_json(file_path, result) without return types