byte[] zeroGuid = new byte[16];
        ValidateNegotiateInfoRequest request =
                new ValidateNegotiateInfoRequest(DEFAULT_CAPABILITIES, zeroGuid, DEFAULT_SECURITY_MODE, defaultDialects);

        byte[] buffer = new byte[request.size()];
        request.encode(buffer, 0);

        // Verify zero GUID
        byte[] extractedGuid = new byte[16];

        assertTrue(synonymItem1.equals(synonymItem1));
        assertTrue(synonymItem1.equals(new SynonymItem(1, new String[] { "a" }, new String[] { "b" })));
        assertFalse(synonymItem1.equals(new SynonymItem(2, new String[] { "a" }, new String[] { "B", })));
        assertFalse(synonymItem1.equals(new SynonymItem(2, new String[] { "A" }, new String[] { "b" })));
    }

        List<Map<String, Object>> documentList = new ArrayList<>();
        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Doc1");
        Map<String, Object> doc2 = new HashMap<>();
        doc2.put("title", "Doc2");
        documentList.add(doc1);
        documentList.add(doc2);

        QueryResponseList qrList = new QueryResponseList(documentList, 0, 10, 0);

            CreateContextResponse[] contexts = new CreateContextResponse[3];
            byte[] buffer = new byte[300];

            contexts[0] = new TestCreateContextResponse("CONTEXT1".getBytes(StandardCharsets.UTF_8));
            contexts[1] = new TestCreateContextResponse("CONTEXT2".getBytes(StandardCharsets.UTF_8));
            contexts[2] = new TestCreateContextResponse("CONTEXT3".getBytes(StandardCharsets.UTF_8));

  }

  public void testFailStart() throws Exception {
    Service a = new NoOpService();
    Service b = new FailStartService();
    Service c = new NoOpService();
    Service d = new FailStartService();
    Service e = new NoOpService();
    ServiceManager manager = new ServiceManager(asList(a, b, c, d, e));
    RecordingListener listener = new RecordingListener();
    manager.addListener(listener, directExecutor());

            int threadCount = 10;
            Thread[] threads = new Thread[threadCount];
            boolean[] success = new boolean[threadCount];

            for (int i = 0; i < threadCount; i++) {
                final int index = i;
                threads[i] = new Thread(() -> {
                    try {
                        Smb2EchoRequest req = new Smb2EchoRequest(mockConfig);

        ThumbnailGenerationException exception = new ThumbnailGenerationException("Test", new Exception());

        // The message and cause constructor uses normal super call, so stack trace should be available
        assertTrue(exception.getStackTrace().length > 0);
    }

    public void test_multipleNestedExceptions() {
        // Test with multiple nested exceptions
        Exception innerCause = new IllegalArgumentException("Invalid image format");

            // IbvSendWR sendWR = new IbvSendWR();
            // sendWR.setWr_id(System.nanoTime());
            // sendWR.setOpcode(IbvSendWR.IbvWrOpcode.IBV_WR_SEND.ordinal());
            // sendWR.setSend_flags(IbvSendWR.IBV_SEND_SIGNALED);
            //
            // LinkedList<IbvSge> sgeList = new LinkedList<>();
            // IbvSge sge = new IbvSge();
            // sge.setAddr(disniRegion.getAddress());

        super.setUp();
        labelTypeHelper = new LabelTypeHelper();
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        ComponentUtil.register(new MockLabelTypeService(), LabelTypeService.class.getCanonicalName());
        ComponentUtil.register(new MockVirtualHostHelper(), "virtualHostHelper");
        ComponentUtil.register(new MockRoleQueryHelper(), "roleQueryHelper");
    }

    // ? extends T
    assertAssignable(new TypeToken<List<N11>>() {}, new TypeToken<List<? extends N1>>() {});
    assertNotAssignable(new TypeToken<List<N1>>() {}, new TypeToken<List<? extends N11>>() {});
    assertNotAssignable(new TypeToken<List<Number>>() {}, new TypeToken<List<? extends N11>>() {});

    // ? extends Number
    assertAssignable(new TypeToken<List<N1>>() {}, new TypeToken<List<? extends Number>>() {});