final MasterReport report = (MasterReport) directly.getResource();
report.setDataFactory(new TableDataFactory("default", new AggregateTestDataTableModel()));
final RelationalGroup g = report.getGroupByName("default");
if (g != null)
{
report.removeGroup(g);
}
report.addExpression(new TotalGroupCountVerifyFunction());
final TotalGroupCountFunction f = new TotalGroupCountFunction();
f.setName("continent-total-gc");