code: def test_json_infer_schema_length_11148() -> None:
      response = [{"col1": 1}] * 2 + [{"col1": 1, "col2": 2}] * 1
      result = pl.read_json(
          json.dumps(response).encode(), infer_schema_length=2
      )
      with pytest.raises(AssertionError):
          assert set(result.columns) == {"col1", "col2"}
  
      response = [{"col1": 1}] * 2 + [{"col1": 1, "col2": 2}] * 1
      result = pl.read_json(
          json.dumps(response).encode(), infer_schema_length=3
      )
      assert set(result.columns) == {"col1", "col2"}
  
imports: from __future__ import annotations
  import datetime
  import io
  import json
  from collections import OrderedDict
  from io import BytesIO
  from typing import TYPE_CHECKING, Any
  import pytest
  import polars
  from polars.testing import assert_frame_equal
label_desc: Use image node_id 18 for calling a global function with example usage: test_json_infer_schema_length_11148() without return types