@Override
  public void testInsertRecord(
      String deviceId, long time, List<String> measurements, List<String> values)
      throws IoTDBConnectionException, StatementExecutionException {
    TSInsertStringRecordReq request;
    try {
      request = filterAndGenTSInsertStringRecordReq(deviceId, time, measurements, values, false);
    } catch (NoValidValueException e) {
      logger.warn(ALL_VALUES_ARE_NULL, deviceId, time, measurements);
      return;
    }
    defaultSessionConnection.testInsertRecord(request);
  }
This method NOT insert data into database and the server just return after accept the request,
this method should be used to test other time cost in client
iotdb-client/session/src/main/java/org/apache/iotdb/session/Session.java