assertTrue(result3.isEmpty());

        verify(watchHandle, times(3)).watch();
    }

    /**
     * Test watch() returning null (cancelled scenario)
     */
    @Test
    void testWatchReturnsNull() throws CIFSException {
        // Setup mock behavior
        when(watchHandle.watch()).thenReturn(null);

        // Execute
        List<FileNotifyInformation> result = watchHandle.watch();