processHelper.destroy();
        super.tearDown();
    }

    public void test_isProcessRunning_empty() {
        assertFalse(processHelper.isProcessRunning());
    }

    public void test_isProcessRunning_withSessionId_notExists() {
        assertFalse(processHelper.isProcessRunning("nonexistent"));
    }

    public void test_getRunningSessionIdSet_empty() {
        Set<String> sessionIds = processHelper.getRunningSessionIdSet();