when(mockTreeHandle.isSMB2()).thenReturn(false);

            // The delete method for directories uses SmbComDelete with the directory flag
            // After checking SMB code, directories are deleted using SmbComDelete with ATTR_DIRECTORY
            when(mockTreeHandle.send(any(SmbComDelete.class), any(SmbComBlankResponse.class))).thenReturn(mock(SmbComBlankResponse.class));

            // Act

        tree.connectionState = 2; // Connected state
        tree.tid = 123;

        // Create request with command not allowed for PRINT service
        ServerMessageBlock request = new SmbComDelete("testfile.txt");
        ServerMessageBlock response = new SmbComBlankResponse();

        // Should throw exception for invalid operation
        assertThrows(SmbException.class, () -> tree.send(request, response));