DataStoreParams captured = capturedParams.get();
        assertNotNull(captured);
        assertEquals("test-value", captured.getAsString("string"));
        assertEquals(42, captured.get("integer"));
        assertEquals(123456789L, captured.get("long"));
        assertEquals(true, captured.get("boolean"));
        assertEquals(3.14, captured.get("double"));
        assertNotNull(captured.get("map"));

                    throw new CrawlerSystemException(e);
                }
            }
        }

        /**
         * Gets the captured output as a single string.
         * @return The captured output with newlines.
         */
        public String getOutput() {
            final StringBuilder buf = new StringBuilder(100);
            for (final String value : list) {

            // Give the writer thread time to process and set exception
            w.wait(100);
        }

        // Wait a bit more to ensure exception is captured
        Thread.sleep(100);

        // Act + Assert: checkException should throw the SmbException captured by the thread
        assertThrows(SmbException.class, w::checkException);

        // Stop the thread
        synchronized (w) {

                fail("Expected IOException due to short-circuit");
            } catch (IOException expected) {
                // expected
            }

            // Assert captured request parameters
            verify(mockTree).send(cap.capture(), any(jcifs.internal.CommonServerMessageBlockResponse.class), any(RequestParam.class));
            jcifs.internal.smb1.com.SmbComReadAndX req = cap.getValue();

    }

    @Override
    public void afterSuite(final TestDescriptor suite, TestResult result) {
        Descriptor descriptor = Descriptor.of(suite);

        try {
            // if the test suite failed, report all captured output
            if (result.getResultType().equals(TestResult.ResultType.FAILURE)) {
                EventWriter eventWriter = eventWriters.get(descriptor);

                if (eventWriter != null) {

        ArgumentCaptor<Integer> rnCap = ArgumentCaptor.forClass(Integer.class);

        verify(transport).getDfsReferrals(eq(ctx), nameCap.capture(), hostCap.capture(), domCap.capture(), rnCap.capture());
        assertEquals(name, nameCap.getValue());
        assertEquals(host, hostCap.getValue());
        assertEquals(domain, domCap.getValue());
        assertEquals(rn, rnCap.getValue());

        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test
    public void test_stackTrace() {
        // Test that stack trace is properly captured
        SsoLoginException exception = new SsoLoginException("Stack trace test");
        StackTraceElement[] stackTrace = exception.getStackTrace();

        assertNotNull(stackTrace);

        final LogNotificationAppender warnAppender = LogNotificationAppender.createAppender("testWarn", "WARN", null, null);
        final LogEvent event = createLogEvent(Level.ERROR, "org.codelibs.fess.test", "error captured by warn appender");
        warnAppender.append(event);
        final List<LogNotificationEvent> events = ComponentUtil.getLogNotificationHelper().drainAll();
        assertEquals(1, events.size());

        NullPointerScoreBooster booster = new NullPointerScoreBooster();
        scoreUpdater.addScoreBooster(booster);

        String result = scoreUpdater.execute();
        // NullPointerException message should be captured
        assertTrue(result.contains("null") || result.contains("NullPointer"));
    }

    // Test with negative priority
    @Test
    public void test_addScoreBooster_negativePriority() {

        }
        return commandString
    }

    /**
     * Writes a script to run the real executable, so that stdout/stderr can be captured.
     * TODO: this could be removed if we do use our own ProcessBuilder and pump output from the process
     */
    private void writeWrapperScript(String executable) {
        wrapperScript.parentFile.mkdirs()