// Calling finalize directly to execute the logic; should not throw
        h.finalize();
    }

    @Test
    @DisplayName("toString() contains UNC and id representation")
    void toString_containsExpected() {
        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(1L, true, true);

        byte[] fidBytes = new byte[] { 0x01, 0x02 };