m_testDir->createFiles(files);
m_model->loadDirectory(m_testDir->url());
QSignalSpy spyDirectoryLoadingCompleted(m_model, SIGNAL(directoryLoadingCompleted()));
m_testDir->createFiles(files);
m_model->loadDirectory(m_testDir->url());
QSignalSpy spyDirectoryLoadingCompleted(m_model, SIGNAL(directoryLoadingCompleted()));