// Assert
        assertSame(response, out);
        verify(tree).send(request, param);
    }

    @Test
    @DisplayName("unwrap and close are available via SmbTree")
    void unwrap_and_close_interactions() {
        // Arrange
        when(tree.unwrap(SmbTreeInternal.class)).thenReturn(tree);

        // Act
        SmbTree unwrapped = tree.unwrap(SmbTreeInternal.class);
        tree.close();