configHelper.setReloadInterval(20L);

        long startTime = System.currentTimeMillis();
        configHelper.waitForNext();
        long endTime = System.currentTimeMillis();

        long elapsed = endTime - startTime;
        assertTrue("Expected at least 15ms sleep, got " + elapsed + "ms", elapsed >= 15);
        // Generous tolerance for CI environments like GitHub Actions

            readerThreads[i] = new Thread(() -> {
                try {
                    startLatch.await(); // Wait for start signal
                    long endTime = System.currentTimeMillis() + testDurationMs;
                    while (System.currentTimeMillis() < endTime) {
                        observations[threadIndex].add(dataStore.alive);
                        Thread.yield(); // Allow other threads to run
                    }

                                                    <td><c:if test="${data.endTime!=null}">
                                                        <fmt:formatDate value="${fe:date(data.endTime)}"
                                                                        pattern="yyyy-MM-dd'T'HH:mm:ss"/>
                                                    </c:if> <c:if test="${data.endTime==null}">

                    return "";
                case FessConfig.INDEX_ADMIN_DOUBLE_FIELDS:
                    return "";
                case FessConfig.INDEX_ADMIN_DATE_FIELDS:
                    return "expires,start_time,end_time";
                case FessConfig.INDEX_ADMIN_REQUIRED_FIELDS:
                    return "url,title,role,boost";
                case FessConfig.INDEX_ADMIN_ARRAY_FIELDS:
                    return "alerts,roles";

                                    <tr>
                                        <th><la:message key="labels.joblog_endTime"/></th>
                                        <td>${f:h(endTime)}<la:hidden property="endTime"/></td>
                                    </tr>
                                    <tr>
                                        <th><la:message key="labels.joblog_scriptType"/></th>

                                    // partial results
                                    final StringBuilder buf = new StringBuilder(1000);
                                    buf.append("[SEARCH TIMEOUT] {\"exec_time\":")
                                            .append(execTime)//
                                            .append(",\"request\":")
                                            .append(searchRequestBuilder.toString())//

            }
        });
        testThread.start();

        long startTime = System.currentTimeMillis();
        method.invoke(crawler, testThread);
        long endTime = System.currentTimeMillis();

        assertTrue("Thread should have been joined", endTime - startTime >= 100);
    }

    // Test destroyContainer private static method via reflection
    @Test
    public void test_destroyContainer() throws Exception {

            Set<Coordinates> gavs = InferenceStrategy.computeAllArtifactCoordinates(context, largePomMap);
            long endTime = System.currentTimeMillis();

            // Performance assertion - should complete within reasonable time
            long duration = endTime - startTime;
            assertTrue(duration < 5000, "Artifact computation should complete within 5 seconds for 100 POMs");

        jobLog.setEndTime(System.currentTimeMillis());

        MonitorTarget target = new MonitorTarget(jobLog);
        try {
            target.expired();
            // Should not update when endTime is set - no exception expected
        } catch (Exception e) {
            // May fail due to missing client in test environment
            assertTrue(e.getMessage().contains("client"));
        }
    }

            buf.append("\"q\":");
            buf.append(escapeJson(query));
            buf.append(",\"query_id\":");
            buf.append(escapeJson(queryId));
            buf.append(",\"exec_time\":");
            buf.append(execTime);
            buf.append(",\"query_time\":");
            buf.append(queryTime);
            buf.append(',');
            buf.append("\"page_size\":");