when(mockHandle.getMaxRecv()).thenReturn(maxRecv);

            // Use lenient stubbing to handle multiple calls
            lenient().doNothing().when(mockBuffer).enc_ndr_short(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_long(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_small(anyInt());

    @BeforeEach
    void setUp() {
        // Setup mock context with lenient stubbing to avoid UnnecessaryStubbingException
        lenient().when(mockContext.getConfig()).thenReturn(mockConfig);
        lenient().when(mockContext.getNameServiceClient()).thenReturn(mockNameServiceClient);
        lenient().when(mockNameServiceClient.getLocalHost()).thenReturn(mockLocalHost);
        lenient().when(mockLocalHost.getHostName()).thenReturn("localhost");

        mockRandom.nextBytes(machineId);

        lenient().when(mockConfig.getDefaultDomain()).thenReturn("TESTDOMAIN");
        lenient().when(mockConfig.isUseUnicode()).thenReturn(true);
        lenient().when(mockConfig.getOemEncoding()).thenReturn("UTF-8");
        lenient().when(mockConfig.getRandom()).thenReturn(mockRandom);
        lenient().when(mockConfig.getLanManCompatibility()).thenReturn(3); // Default NTLMv2

        lenient().when(UniAddress.getByName("domain.com", true)).thenReturn(uniAddress);
        lenient().when(SmbTransport.getSmbTransport(uniAddress, 0)).thenReturn(smbTransport);

        DfsReferral referral = new DfsReferral();
        referral.server = "dc1.domain.com";
        referral.next = referral;

            lenient().doNothing().when(mockBuffer).advance(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_long(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_short(anyInt());
            lenient().doNothing().when(mockBuffer).enc_ndr_small(anyInt());
            lenient().doNothing().when(mockBuffer).setIndex(anyInt());

        mockContext = mock(CIFSContext.class);
        testFileId = new byte[16];
        Arrays.fill(testFileId, (byte) 0xAB);

        // Use lenient stubbing for default configuration values
        lenient().when(mockConfig.getNotifyBufferSize()).thenReturn(8192);
        lenient().when(mockContext.getConfig()).thenReturn(mockConfig);

        request = new Smb2ChangeNotifyRequest(mockConfig, testFileId);
    }

    @Test

            tc.getConfig();
            tc.getCredentials();

            // Minimal behavior: return a mock SSPContext with lenient stubbing
            SSPContext ctx = mock(SSPContext.class);
            lenient().when(ctx.isEstablished()).thenReturn(false);
            return ctx;
        }

        @Override
        public Subject getSubject() {
            return this.subject;

        // Setup mock behavior for GSSManager with lenient matchers
        lenient().when(gssManager.createName(anyString(), any(), any())).thenReturn(serviceName);
        lenient().when(gssManager.createName(anyString(), any())).thenReturn(serviceName);
        lenient().when(gssManager.createContext(any(), any(), any(), anyInt())).thenReturn(gssContext);

        MockitoAnnotations.openMocks(this);
        // Set the deferred field directly since it's a public field, not a method
        mockNdrBuffer.deferred = mockDeferredBuffer;
        lenient().when(mockNdrBuffer.derive(anyInt())).thenReturn(mockDeferredBuffer);
        lenient().when(mockDeferredBuffer.derive(anyInt())).thenReturn(mockDeferredBuffer);
    }

    @Test
    void testGetSyntax() {
        String syntax = srvsvc.getSyntax();

        when(pipe.openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenReturn(fh);
        when(fh.acquire()).thenReturn(fh);
        lenient().when(fh.isValid()).thenReturn(true);
        lenient().when(fh.getTree()).thenReturn(tree);
        lenient().when(tree.getReceiveBufferSize()).thenReturn(4096);

        // Mock the streams
        SmbPipeInputStream mockIn = mock(SmbPipeInputStream.class);