}

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

    @Test
    public void test_getRunningSessionIdSet_empty() {
        Set<String> sessionIds = processHelper.getRunningSessionIdSet();
        assertNotNull(sessionIds);
        assertTrue(sessionIds.isEmpty());
    }

    @Test