Change cinst from stdin input to use arguments. As we have to execute this process on Windows over the shell a stdin / stdout communication is not really possible without some major hacks. So you now have to supply an instructions file and the path to the certificatelist as arguments when this process is called

#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