public  void doTest(String jspName) throws Exception 
{
        WebRequest request = new GetMethodWebRequest(jspName);
        WebResponse response = runner.getResponse(request);
        if (log.isDebugEnabled())
        {
            log.debug("RESPONSE: " + response.getText());
        }
        WebTable[] tables = response.getTables();
        assertEquals("Wrong number of tables.", 1, tables.length);
        assertEquals("Wrong number of rows in table.", 3, tables[0].getRowCount());
        assertEquals("Column not grouped.", "", tables[0].getCellAsText(2, 0));
        assertEquals("Column not grouped.", "", tables[0].getCellAsText(2, 1));
        assertEquals("Column should not be grouped.", KnownValue.CAMEL, tables[0].getCellAsText(2, 2));
}

Tests row grouping. bug #923446

 public String getJspName() 
{
        return "group.jsp";
}