    @Test
    void testAbstractMonitor() {

        List<MonitorConfiguration> monitors = new ArrayList<>();
        monitors.add(
            new MonitorConfiguration(
                "com.microsoft.azure.practices.nvadaemon.NvaMonitorTest$AbstractMonitor",
                null));
        DaemonConfiguration daemonConfiguration = new DaemonConfiguration(monitors, null);
        NvaMonitor nvaMonitor = new NvaMonitor(daemonConfiguration);
        Assertions.assertThrows(NvaMonitor.NvaMonitorException.class,
            () -> nvaMonitor.start());
    }