code: def test_select_returns_only_selected_columns(self):
      api_handler = Mock(BinanceHandler)
      api_handler.call_binance_api.return_value = pd.DataFrame(
          [
              [
                  "symbol",  # Symbol
                  1499040000000,  # Kline open time
                  "0.01634790",  # Open price
                  "0.80000000",  # High price
                  "0.01575800",  # Low price
                  "0.01577100",  # Close price
                  "148976.11427815",  # Volume
                  1499644799999,  # Kline Close time
                  "2434.19055334",  # Quote asset volume
                  308,  # Number of trades
                  "1756.87402397",  # Taker buy base asset volume
                  "28.46694368",  # Taker buy quote asset volume
              ]
          ]
      )
      trades_table = BinanceAggregatedTradesTable(api_handler)
  
      open_time_identifier = Identifier(path_str="open_time")
      close_time_identifier = Identifier(path_str="close_time")
      select_times = ast.Select(
          targets=[open_time_identifier, close_time_identifier],
          from_table="aggregated_trade_data",
          where='aggregated_trade_data.symbol = "symbol"',
      )
  
      all_trade_data = trades_table.select(select_times)
      first_trade_data = all_trade_data.iloc[0]
  
      self.assertEqual(all_trade_data.shape[1], 2)
      self.assertEqual(first_trade_data["open_time"], 1499040000000)
      self.assertEqual(first_trade_data["close_time"], 1499644799999)
  
file_path: mindsdb/tests/handler_tests/test_binance_handler.py
imports: from mindsdb.integrations.handlers.binance_handler.binance_tables import BinanceAggregatedTradesTable
  from mindsdb.integrations.handlers.binance_handler.binance_handler import BinanceHandler
  from mindsdb_sql.parser import ast
  from mindsdb_sql.parser.ast.select.star import Star
  from mindsdb_sql.parser.ast.select.identifier import Identifier
  from unittest.mock import Mock
  import pandas
  import unittest
label_desc: Use image node_id 3 for calling the BinanceAggregatedTradesTableTest obj's underlying member method code with example usage: obj.test_select_returns_only_selected_columns() without return types