def METHOD_NAME(self, entries, errors, options_map):
    """
      2013-05-01 open Assets:Bank:Investing
      2013-05-01 open Equity:Opening-Balances
      2013-05-02 *
        Assets:Bank:Investing                 5 HOOL {501 USD}
        Assets:Bank:Investing                -1 HOOL {502 USD}
        Equity:Opening-Balances           -2003 USD
    """
    validation_errors = self.convert_and_validate(entries, options_map)
    self.assertEqual([booking.BookingError], list(map(type, validation_errors)))