REG: No longer possible to use macros or functions that rely on an event loop in cleanup() after failed test function

#include <QtTest>

// add necessary includes here

class Blah : public QObject
{
    Q_OBJECT

public:
    Blah() = default;

    void dirtyGraph() {
        Q_ASSERT(QMetaObject::invokeMethod(this, &Blah::rebuildGraph, Qt::QueuedConnection));
    }

signals:
    void graphRebuilt();

private:
    void rebuildGraph() {
        emit graphRebuilt();
    }
};

class SignalSpy : public QObject
{
    Q_OBJECT

public:
    SignalSpy();
    ~SignalSpy();

private slots:
    void initTestCase();
    void cleanup();
    void cleanupTestCase();
    void doomedToFail();

};

SignalSpy::SignalSpy()
{

}

SignalSpy::~SignalSpy()
{

}

void SignalSpy::doomedToFail()
{
    QFAIL("oops");
}

void SignalSpy::initTestCase()
{

}

void SignalSpy::cleanup()
{
    Blah b;

    QSignalSpy graphRebuiltSpy(&b, SIGNAL(graphRebuilt()));
    QVERIFY(graphRebuiltSpy.isValid());

    // The graph would be cleared here to make way for the next test.
    b.dirtyGraph();
    QVERIFY(graphRebuiltSpy.wait());
//    QTRY_COMPARE(graphRebuiltSpy.count(), 1);
}

void SignalSpy::cleanupTestCase()
{
}

QTEST_MAIN(SignalSpy)

#include "tst_signalspy.moc"