public boolean getUseAwsDefaultCredentials() {
    if ( ValueMetaBase.convertStringToBoolean( Const.NVL( EnvUtil.getSystemProperty( Const.KETTLE_USE_AWS_DEFAULT_CREDENTIALS ), "N" ) ) ) {
      return true;
    } else if ( StringUtil.isEmpty( awsAccessKey ) && StringUtil.isEmpty( awsSecretKey ) ) {
      return true;
    }
    return false;
  }
@Test
  public void getUseAwsDefaultCredentialsWithoutCredentials() {
    S3CsvInputMeta meta = new S3CsvInputMeta();
    assertTrue( meta.getUseAwsDefaultCredentials() );
  }