Document doc = itsNatDoc.getDocument();
Element tableParent = doc.getElementById("tableFreeMasterId");
ElementGroupManager factory = itsNatDoc.getElementGroupManager();
ElementTableFree table = factory.createElementTableFree(tableParent,true);
table.addRow(createRow(doc,0));
table.addRow(createRow(doc,1));
table.addRow(createRow(doc,2));
TestUtil.checkError(table.getRowCount() == 3);