log.info("testGetSystemTablesSystem");
if (log != null) log.info("testGetSystemTablesSystem");
    public void testGetSystemTablesSystem() throws Exception {        log.info("testGetSystemTablesSystem");        ResultSet rs = dmd.getTables(null, null, "RDB$RELATIONS", new String[] {"SYSTEM TABLE"});        int count = 0;        while (rs.next()) {            String name =  rs.getString(3);            log.info("table name: " + name);            count++;            assertTrue("Didn't get back the name expected", "RDB$RELATIONS".equals(name));        }        assertTrue("Got more than one table name back!", count == 1);        rs.close();    }