assertTrue(h.isValid());
    }

    @Test
    @DisplayName("isValid() false when tree id changed or disconnected or closed")
    void isValid_false_inVariousCases() {
        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(10L, true, true);
        SmbFileHandleImpl h = new SmbFileHandleImpl(cfg, new byte[] { 0x01 }, tree, "//x", 0, 0, 0, 0, 0L);