def update_expiration_date(connection, new_date)
      xml = connection.make_xml('VulnerabilityExceptionUpdateExpirationDateRequest',
                                { 'exception-id' => @id,
                                  'expiration-date' => new_date })
      connection.execute(xml, '1.2').success
    end
def update_expiration_date(connection, new_date)
      xml = connection.make_xml('VulnerabilityExceptionUpdateExpirationDateRequest',
                                { 'exception-id' => @id,
                                  'expiration-date' => new_date })
      connection.execute(xml, '1.2').success
    end
Update the expiration date for this exception.
 The expiration time cannot be in the past.

 @param [Connection] connection Connection to security console.
 @param [String] new_date Date in the format "YYYY-MM-DD".
 @return [Boolean] Whether the update was successfully submitted.