code: def test_build_table_schema(self, df_schema, using_infer_string):
      result = build_table_schema(df_schema, version=False)
      expected = {
          "fields": [
              {"name": "idx", "type": "integer"},
              {"name": "A", "type": "integer"},
              {"name": "B", "type": "string"},
              {"name": "C", "type": "datetime"},
              {"name": "D", "type": "duration"},
          ],
          "primaryKey": ["idx"],
      }
      if using_infer_string:
          expected["fields"][2] = {
              "name": "B",
              "type": "any",
              "extDtype": "string",
          }
      assert result == expected
      result = build_table_schema(df_schema)
      assert "pandas_version" in result
  
imports: from collections import OrderedDict
  from io import StringIO
  import json
  import numpy
  import pytest
  from pandas.core.dtypes.dtypes import CategoricalDtype, DatetimeTZDtype, PeriodDtype
  import pandas
  from pandas import DataFrame
  import pandas._testing
  from pandas.io.json._table_schema import as_json_table_type, build_table_schema, convert_json_field_to_pandas_type, convert_pandas_type_to_json_field, set_default_names
label_desc: Use image node_id 1 for calling the TestBuildSchema obj's underlying member method code with example usage: obj.test_build_table_schema(df_schema, using_infer_string) without return types