}
    }

    @Test
    public void test_createTempFile() {
        assertNotNull(systemHelper.createTempFile("test", ".txt"));
    }

    @Test
    public void test_calibrateCpuLoad() {
        systemHelper.setSystemCpuCheckInterval(0L);
        systemHelper.calibrateCpuLoad();
        assertEquals(0, systemHelper.waitingThreadNames.size());
        systemHelper.waitForNoWaitingThreads();