Qt Test rows defined with QTest::addRow() are not recognized

#include <QtTest>
#include <QObject>

class Test : public QObject
{
	Q_OBJECT

private slots:
	void testMethod();
	void testMethod_data();
};


void Test::testMethod()
{
	QFETCH( int, dummy );

	QVERIFY( dummy > -1 );
}

void Test::testMethod_data()
{
	QTest::addColumn<int>( "dummy" );

	QTest::newRow( "row 1" ) << 17;
	QTest::addRow( "row 2" ) << 42;
}

QTEST_MAIN( Test )

#include "QtUnitTest.moc"