final GDSType gdsType = GDSType.getType(System.getProperty("test.gds_type"));
final GDSType gdsType = GDSType.getType(System.getProperty("test.gds_type", "PURE_JAVA"));
    protected GDSType getGdsType()        {        final GDSType gdsType = GDSType.getType(System.getProperty("test.gds_type"));        if( gdsType == null )            throw new RuntimeException("Unrecoginzed value for 'test.gds_type' property.");        return gdsType;        }