Function cleanup_dir

tests/test_artifact.c:55–59

}

static void cleanup_dir(const char *path) {
    char cmd[2048];
    snprintf(cmd, sizeof(cmd), "rm -rf '%s'", path);
    (void)system(cmd);
}

static void write_text_file(const char *path, const char *text) {
    FILE *fp = fopen(path, "w");