passedTests += runTestForTask2("file.txt", "file", ".txt");
    passedTests += runTestForTask2("document.doc", "document", ".doc");
    passedTests += runTestForTask2("cppFile.cpp", "cppFile", ".cpp");
    passedTests += runTestForTask2("photos from the Baltic Sea 001.raw", "photos from the Baltic Sea 001", ".raw");
    passedTests += runTestForTask2("archive.tar.gz", "archive.tar", ".gz");
    passedTests += runTestForTask2("linux_binary_file", "linux_binary_file", "");