// acquire is called once in ctor + once per getTree() call
        verify(tree, times(3)).acquire();
    }

    @Test
    @DisplayName("isValid() true when open, same tree id, connected")
    void isValid_true_whenOpenSameTreeConnected() {
        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(99L, true, true);
        SmbFileHandleImpl h = new SmbFileHandleImpl(cfg, 1, tree, "//server/share", 0, 0, 0, 0, 0L);