@BeforeEach
    void setUp() throws MalformedURLException, UnknownHostException, SmbException {
        // Mock the transport layer
        smbTransport = mock(SmbTransport.class);
        smbTransport.rcv_buf_size = 4096;
        smbTransport.snd_buf_size = 4096;

        // Mock the session layer
        smbSession = mock(SmbSession.class);
        smbSession.transport = smbTransport;

        // Mock the tree layer

            this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC);
        } else {
            file.connect0();
        }
        readSize = Math.min(file.tree.session.transport.rcv_buf_size - 70, file.tree.session.transport.server.maxBufferSize - 70);
    }

    /**
     * Converts an SmbException to an IOException.
     *
     * @param se the SmbException to convert