Remove code duplication by unifying the certificatelist. You should now check for isInstallCert to determine wether this certificate should be installed or removed. Leaving the getInstallCertificates and getRemoveCertificates in place for compatibilty would have been easier to keep the tests stable.

#ifndef COMMON_H
#define COMMON_H
#include <QDir>
#include <QString>

/** @file common.h
 * @brief Common testing code used in multiple tests. */

/* @brief get the file name of a file filled with garbage */
QString getRandomDataFile(size_t size, const QDir &inDir = QDir());
#endif // COMMON_H